Possible Bug: Cellular modem sample with nRF9151 running SLM

Hello,

I posted this in Zephyr's repo at first, but was told to post it here since I am using NCS.

I am running cellular modem sample on nRF54L15 and have it interfaced with nRF9151 which is running SLM application.

Everything is working except cellular_get_signal(), I am not using 2G or 3G so it is expected that CELLULAR_SIGNAL_RSSI might not be available, however the calls to that function with CELLULAR_SIGNAL_RSRQ and CELLULAR_SIGNAL_RSRP fail also.

They return either -16 (EBUSY) or -22(EINVAL) error codes (it is not consistent).

Calls to cellular_get_modem_info() are successful and they return correct information.

These are the debug logs including modem_chat, interestingly looking at the logs, I actually receive the correct values for RSRQ and RSRP -> 23 61, however the get_signal_cesq_chat_script times out.

[00:01:01.773,996] <dbg> modem_chat: modem_chat_script_next: sending: AT+CESQ
[00:01:01.774,038] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:7
[00:01:01.774,052] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                     41 54 2b 43 45 53 51                             |AT+CESQ          
[00:01:01.774,089] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:2
[00:01:01.774,102] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                     0d 0a                                            |..               
[00:01:01.814,943] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:31
[00:01:01.814,959] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                     0d 0a 2b 43 45 53 51 3a  20 39 39 2c 39 39 2c 32 |..+CESQ:  99,99,2
                                     35 35 2c 32 35 35 2c 32  33 2c 36 31 0d 0a 0d    |55,255,2 3,61...
[00:01:01.815,049] <dbg> modem_chat: modem_chat_log_received_command: +CESQ:  99 99 255 255 23 61
[00:01:01.815,080] <dbg> modem_chat: modem_chat_script_next: get_signal_cesq_chat_script: step: 1
[00:01:03.319,140] <dbg> modem_cellular: modem_cellular_log_event: event timeout
[00:01:03.774,060] <wrn> modem_chat: get_signal_cesq_chat_script: timed out

P.S. I only added couple of new lines in print_cellular_info() function to try to fetch RSRP and RSRQ

    rc = cellular_get_signal(modem, CELLULAR_SIGNAL_RSSI, &rssi);
    if (!rc) {
        printk("RSSI %d\n", rssi);
    }

    rc = cellular_get_signal(modem, CELLULAR_SIGNAL_RSRP, &rsrp);
    if (!rc) {
        printk("RSRP %d\n", rsrp);
    }

    rc = cellular_get_signal(modem, CELLULAR_SIGNAL_RSRQ, &rsrq);
    if (!rc) {
        printk("RSRQ %d\n", rsrp);
    }

ENV:
Device: nRF54L15 running cellular modem and Thingy91x running SLM application
OS: Ubuntu 24.04.2 LTS
Toolchain: Zephyr 0.17.0 SDK / nordic vscode extension
Commit SHA or Version used: 77f865b, v4.0.99-ncs1-1

Parents
  • Hi,

    I am running cellular modem sample on nRF54L15 and have it interfaced with nRF9151 which is running SLM application.

    Can you provide more information about your board and interface to nrf9151?

    I posted this in Zephyr's repo at first, but was told to post it here since I am using NCS.

    It is not clear if you are using plain Zephyr or NCS. I see from your link that you use Zephyr sample. Can you confirm that you use NCS? In case you use NCS, which NCS and Toolchain version do you use?

    These are the debug logs including modem_chat

    Can you show complete log?

    P.S. I only added couple of new lines in print_cellular_info() function to try to fetch RSRP and RSRQ

    Is everything working as expected if you omit lines shown below?

        rc = cellular_get_signal(modem, CELLULAR_SIGNAL_RSRP, &rsrp);
    	if (!rc) {
    		printk("RSRP %d\n", rsrp);
    	}
    
    	rc = cellular_get_signal(modem, CELLULAR_SIGNAL_RSRQ, &rsrq);
    	if (!rc) {
    		printk("RSRQ %d\n", rsrq);
    	}

    Best regards,
    Dejan

Reply
  • Hi,

    I am running cellular modem sample on nRF54L15 and have it interfaced with nRF9151 which is running SLM application.

    Can you provide more information about your board and interface to nrf9151?

    I posted this in Zephyr's repo at first, but was told to post it here since I am using NCS.

    It is not clear if you are using plain Zephyr or NCS. I see from your link that you use Zephyr sample. Can you confirm that you use NCS? In case you use NCS, which NCS and Toolchain version do you use?

    These are the debug logs including modem_chat

    Can you show complete log?

    P.S. I only added couple of new lines in print_cellular_info() function to try to fetch RSRP and RSRQ

    Is everything working as expected if you omit lines shown below?

        rc = cellular_get_signal(modem, CELLULAR_SIGNAL_RSRP, &rsrp);
    	if (!rc) {
    		printk("RSRP %d\n", rsrp);
    	}
    
    	rc = cellular_get_signal(modem, CELLULAR_SIGNAL_RSRQ, &rsrq);
    	if (!rc) {
    		printk("RSRQ %d\n", rsrq);
    	}

    Best regards,
    Dejan

Children
  • Hello,

    Can you provide more information about your board and interface to nrf9151?

    The board is custom board that is using nRF54L15, I am just using overlay for nrf54l15dk:

    / {
        aliases {
            modem = &modem;
        };
    };
    
    &uart22 {
        compatible = "nordic,nrf-uarte";
        status = "okay";
        current-speed = <460800>;
        hw-flow-control;
        pinctrl-0 = <&uart22_default>;
        pinctrl-1 = <&uart22_sleep>;
        pinctrl-names = "default", "sleep";
        modem: modem {
            compatible = "nordic,nrf91-slm";
            status = "okay";
            mdm-power-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
        };
    };
    
    &dppic00 {
        status = "okay";
    };
    
    &gpio1 {
        status = "okay";
    };
    
    &gpio0 {
        status = "okay";
    };
    
    &gpio2 {
        status = "okay";
    };
    
    &gpiote20 {
        status = "okay";
    };
    
    &gpiote30 {
        status = "okay";
    };
    
    
    &pinctrl {
        /omit-if-no-ref/ uart22_default: uart22_default {
            group1 {
                psels = <NRF_PSEL(UART_TX, 1, 13)>,
                        <NRF_PSEL(UART_RTS, 1, 11)>;
            };
            group2 {
                psels = <NRF_PSEL(UART_RX, 1, 14)>,
                        <NRF_PSEL(UART_CTS, 1, 12)>;
                bias-pull-up;
            };
        };
    
        /omit-if-no-ref/ uart22_sleep: uart22_sleep {
            group1 {
                psels = <NRF_PSEL(UART_TX, 1, 13)>,
                        <NRF_PSEL(UART_RX, 1, 14)>,
                        <NRF_PSEL(UART_RTS, 1, 11)>,
                        <NRF_PSEL(UART_CTS, 1, 12)>;
                low-power-enable;
            };
        };
    };

    It is connected with UART over the Thingy91x debug extension board.

    This is the board Kconfig I am using:

    # UART Configuration
    CONFIG_NRFX_UARTE22=y
    CONFIG_UART_ASYNC_API=y
    CONFIG_UART_22_ASYNC=y
    CONFIG_UART_22_INTERRUPT_DRIVEN=n
    
    # Align with the Serial LTE Modem (SLM) application.
    CONFIG_MODEM_CMUX_WORK_BUFFER_SIZE=1500
    CONFIG_MODEM_CELLULAR_UART_BUFFER_SIZES=6000
    
    # Prevent sockets getting offloaded to the modem.
    CONFIG_NET_SOCKETS_OFFLOAD=y
    
    # Print logs and printk() output on uart0.
    CONFIG_LOG_BACKEND_UART=n
    
    CONFIG_MODEM_LOG_LEVEL_DBG=y
    
    # Disable AT shell as SLM application has no AT mode user pipes
    CONFIG_MODEM_AT_SHELL=n
    
    # GPIO Configuration
    CONFIG_GPIO=y

    On the Thingy91x side I just followed the instructions that are given here on building the SLM application and just flashed that on nRF9151 ( of course setting up appropriate overlays for UART) - docs.nordicsemi.com/.../nRF91_as_Zephyr_modem.html

    It is not clear if you are using plain Zephyr or NCS. I see from your link that you use Zephyr sample. Can you confirm that you use NCS? In case you use NCS, which NCS and Toolchain version do you use?

    I linked the zephyr's sample because I posted on Zephyr first and the cellular sample is same on both Zephyr repo and the forked repo of sdk-zephyr. I am using for SDK: NCS v3.0.1 but for toolchain I am not using NCS v3.0.1 I am using zephyr 0.17.0.

    Can you show complete log?

    *** Booting nRF Connect SDK v3.0.1-9eb5615da66b ***
    *** Using Zephyr OS v4.0.99-77f865b8f8d0 ***
    Powering on modem
    [00:00:13.860,835] <dbg> modem_cellular: modem_cellular_log_event: event resume
    [00:00:13.861,020] <dbg> modem_cellular: modem_cellular_log_state_changed: switch from idle to power pulse
    Bring up network interface
    Waiting for L4 connected
    [00:00:13.961,087] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:13.971,180] <dbg> modem_cellular: modem_cellular_log_state_changed: switch from power pulse to await power on
    [00:00:15.971,228] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:15.981,332] <dbg> modem_cellular: modem_cellular_log_state_changed: switch from await power on to run init script
    [00:00:15.994,933] <dbg> modem_cellular: modem_cellular_log_event: event bus opened
    [00:00:16.005,287] <dbg> modem_chat: modem_chat_script_start: running script: nordic_nrf91_slm_init_chat_script
    [00:00:16.018,081] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 0
    [00:00:16.030,168] <dbg> modem_chat: modem_chat_script_next: sending: AT
    [00:00:16.050,961] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:16.060,333] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 1
    [00:00:16.072,423] <dbg> modem_chat: modem_chat_script_next: sending: AT+CMEE=1
    [00:00:16.093,895] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:16.103,266] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 2
    [00:00:16.115,353] <dbg> modem_chat: modem_chat_script_next: sending: AT+CEREG=1
    [00:00:16.136,918] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:16.146,287] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 3
    [00:00:16.158,375] <dbg> modem_chat: modem_chat_script_next: sending: AT+CEREG?
    [00:00:16.180,265] <dbg> modem_chat: modem_chat_log_received_command: +CEREG:  1 4
    [00:00:16.190,537] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:16.199,909] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 4
    [00:00:16.211,997] <dbg> modem_chat: modem_chat_script_next: sending: AT+CGSN
    [00:00:16.221,809] <dbg> modem_cellular: modem_cellular_log_event: event deregistered
    [00:00:16.244,351] <dbg> modem_chat: modem_chat_log_received_command:  359404230396419
    [00:00:16.254,959] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 5
    [00:00:16.267,064] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:16.276,425] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 6
    [00:00:16.288,508] <dbg> modem_chat: modem_chat_script_next: sending: AT+CGMM
    [00:00:16.310,309] <dbg> modem_chat: modem_chat_log_received_command:  nRF9151-LACA
    [00:00:16.320,652] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 7
    [00:00:16.332,753] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:16.342,116] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 8
    [00:00:16.354,202] <dbg> modem_chat: modem_chat_script_next: sending: AT+CGMI
    [00:00:16.376,204] <dbg> modem_chat: modem_chat_log_received_command:  Nordic Semiconductor ASA
    [00:00:16.387,599] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 9
    [00:00:16.399,721] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:16.409,092] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 10
    [00:00:16.421,265] <dbg> modem_chat: modem_chat_script_next: sending: AT+CGMR
    [00:00:16.443,094] <dbg> modem_chat: modem_chat_log_received_command:  mfw_nrf91x1_2.0.2
    [00:00:16.453,871] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 11
    [00:00:16.466,056] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:16.475,419] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_init_chat_script: step: 12
    [00:00:16.487,592] <dbg> modem_chat: modem_chat_script_next: sending: AT#XCMUX=1
    [00:00:16.502,905] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:16.512,275] <dbg> modem_chat: modem_chat_script_stop: nordic_nrf91_slm_init_chat_script: complete
    [00:00:16.524,477] <dbg> modem_cellular: modem_cellular_log_event: event script success
    [00:00:16.535,357] <dbg> modem_cellular: modem_cellular_log_event: event bus closed
    [00:00:16.545,704] <dbg> modem_cellular: modem_cellular_log_state_changed: switch from run init script to connect cmux
    [00:00:16.645,756] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:16.655,859] <dbg> modem_cellular: modem_cellular_log_event: event bus opened
    [00:00:16.666,229] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:0 cr:1 pf:1 type:SABM dlen:0
    [00:00:16.677,444] <dbg> modem_cmux: modem_cmux_log_frame: data:
    [00:00:16.719,300] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:0 cr:1 pf:1 type:UA dlen:0
    [00:00:16.730,521] <dbg> modem_cmux: modem_cmux_log_frame: data:
    [00:00:16.739,210] <dbg> modem_cellular: modem_cellular_log_event: event cmux connected
    [00:00:16.749,910] <dbg> modem_cellular: modem_cellular_log_state_changed: switch from connect cmux to open dlci1
    [00:00:16.762,900] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:1 type:SABM dlen:0
    [00:00:16.774,110] <dbg> modem_cmux: modem_cmux_log_frame: data:
    [00:00:16.815,982] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:1 type:UA dlen:0
    [00:00:16.827,206] <dbg> modem_cmux: modem_cmux_log_frame: data:
    [00:00:16.835,894] <dbg> modem_cellular: modem_cellular_log_event: event dlci1 opened
    [00:00:16.846,419] <dbg> modem_cellular: modem_cellular_log_state_changed: switch from open dlci1 to open dlci2
    [00:00:16.859,234] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:1 type:SABM dlen:0
    [00:00:16.870,447] <dbg> modem_cmux: modem_cmux_log_frame: data:
    [00:00:16.912,329] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:1 type:UA dlen:0
    [00:00:16.923,551] <dbg> modem_cmux: modem_cmux_log_frame: data:
    [00:00:16.932,243] <dbg> modem_cellular: modem_cellular_log_event: event dlci2 opened
    [00:00:16.942,762] <dbg> modem_cellular: modem_cellular_log_state_changed: switch from open dlci2 to run dial script
    [00:00:17.042,813] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:17.052,902] <dbg> modem_chat: modem_chat_script_start: running script: nordic_nrf91_slm_dial_chat_script
    [00:00:17.065,699] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_dial_chat_script: step: 0
    [00:00:17.077,785] <dbg> modem_chat: modem_chat_script_next: sending: AT+CFUN=4
    [00:00:17.087,801] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:9
    [00:00:17.098,933] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 2b 43 46 55 4e 3d  34                      |AT+CFUN= 4       
    [00:00:17.117,079] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:2
    [00:00:17.128,205] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:17.186,767] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:6
    [00:00:17.198,073] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 4f 4b 0d 0a                                |..OK..           
    [00:00:17.216,221] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:17.225,587] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_dial_chat_script: step: 1
    [00:00:17.237,677] <dbg> modem_chat: modem_chat_script_next: sending: AT+CFUN=1
    [00:00:17.247,689] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:9
    [00:00:17.258,818] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 2b 43 46 55 4e 3d  31                      |AT+CFUN= 1       
    [00:00:17.276,963] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:2
    [00:00:17.288,090] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:17.386,691] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:6
    [00:00:17.397,997] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 4f 4b 0d 0a                                |..OK..           
    [00:00:17.416,149] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:17.425,525] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_dial_chat_script: step: 2
    [00:00:17.437,613] <dbg> modem_chat: modem_chat_script_next: sending: AT#XCMUX=2
    [00:00:17.447,713] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:10
    [00:00:17.458,925] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 23 58 43 4d 55 58  3d 32                   |AT#XCMUX =2      
    [00:00:17.477,070] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:2
    [00:00:17.488,196] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:17.540,083] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:6
    [00:00:17.551,392] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 4f 4b 0d 0a                                |..OK..           
    [00:00:17.569,542] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:17.578,916] <dbg> modem_chat: modem_chat_script_stop: nordic_nrf91_slm_dial_chat_script: complete
    [00:00:17.591,128] <dbg> modem_cellular: modem_cellular_log_event: event script success
    [00:00:17.601,850] <dbg> modem_cellular: modem_cellular_log_state_changed: switch from run dial script to await registered
    [00:00:19.062,963] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:2
    [00:00:19.074,267] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:19.092,395] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:11
    [00:00:19.103,785] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         2b 43 45 52 45 47 3a 20  32 0d 0a                |+CEREG:  2..     
    [00:00:19.121,959] <dbg> modem_chat: modem_chat_log_received_command: +CEREG:  2
    [00:00:19.132,056] <dbg> modem_cellular: modem_cellular_log_event: event deregistered
    [00:00:19.601,917] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:19.612,004] <dbg> modem_chat: modem_chat_script_start: running script: nordic_nrf91_slm_periodic_chat_script
    [00:00:19.625,147] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_periodic_chat_script: step: 0
    [00:00:19.637,592] <dbg> modem_chat: modem_chat_script_next: sending: AT+CEREG?
    [00:00:19.647,607] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:9
    [00:00:19.658,736] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 2b 43 45 52 45 47  3f                      |AT+CEREG ?       
    [00:00:19.676,874] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:2
    [00:00:19.687,996] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:19.740,670] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:21
    [00:00:19.752,064] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 2b 43 45 52 45 47  3a 20 31 2c 32 0d 0a 0d |..+CEREG : 1,2...
                                         0a 4f 4b 0d 0a                                   |.OK..            
    [00:00:19.779,705] <dbg> modem_chat: modem_chat_log_received_command: +CEREG:  1 2
    [00:00:19.789,970] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:19.799,340] <dbg> modem_chat: modem_chat_script_stop: nordic_nrf91_slm_periodic_chat_script: complete
    [00:00:19.811,908] <dbg> modem_cellular: modem_cellular_log_event: event deregistered
    [00:00:19.822,413] <dbg> modem_cellular: modem_cellular_log_event: event script success
    [00:00:21.833,147] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:21.843,229] <dbg> modem_chat: modem_chat_script_start: running script: nordic_nrf91_slm_periodic_chat_script
    [00:00:21.856,363] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_periodic_chat_script: step: 0
    [00:00:21.868,799] <dbg> modem_chat: modem_chat_script_next: sending: AT+CEREG?
    [00:00:21.878,803] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:9
    [00:00:21.889,929] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 2b 43 45 52 45 47  3f                      |AT+CEREG ?       
    [00:00:21.908,065] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:2
    [00:00:21.919,184] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:21.972,163] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:21
    [00:00:21.983,562] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 2b 43 45 52 45 47  3a 20 31 2c 32 0d 0a 0d |..+CEREG : 1,2...
                                         0a 4f 4b 0d 0a                                   |.OK..            
    [00:00:22.011,202] <dbg> modem_chat: modem_chat_log_received_command: +CEREG:  1 2
    [00:00:22.021,466] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:22.030,824] <dbg> modem_chat: modem_chat_script_stop: nordic_nrf91_slm_periodic_chat_script: complete
    [00:00:22.043,388] <dbg> modem_cellular: modem_cellular_log_event: event deregistered
    [00:00:22.053,891] <dbg> modem_cellular: modem_cellular_log_event: event script success
    [00:00:22.146,999] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:2
    [00:00:22.158,301] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:22.176,445] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:17
    [00:00:22.187,833] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         2b 43 4e 45 43 5f 45 53  4d 3a 20 35 30 2c 30 0d |+CNEC_ES M: 50,0.
                                         0a                                               |.                
    [00:00:22.215,465] <dbg> modem_chat: modem_chat_on_unknown_command_received: +CNEC_ESM: 50,0
    [00:00:22.226,622] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:24
    [00:00:22.238,009] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 21  7d 21 7d 20 7d 28 7d 21 |~.}#.!}! }!} }(}!
                                         7d 24 7d 25 4e ca 76 7e                          |}$}%N.v~         
    [00:00:22.265,613] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:14
    [00:00:22.276,996] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 23 58 50 50 50 3a  20 31 2c 30 0d 0a       |..#XPPP:  1,0..  
    [00:00:22.295,163] <dbg> modem_chat: modem_chat_on_unknown_command_received: #XPPP: 1,0
    [00:00:22.305,880] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:22.316,688] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 12)
    [00:00:24.064,637] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:24.074,726] <dbg> modem_chat: modem_chat_script_start: running script: nordic_nrf91_slm_periodic_chat_script
    [00:00:24.087,864] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_periodic_chat_script: step: 0
    [00:00:24.100,307] <dbg> modem_chat: modem_chat_script_next: sending: AT+CEREG?
    [00:00:24.110,315] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:9
    [00:00:24.121,446] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 2b 43 45 52 45 47  3f                      |AT+CEREG ?       
    [00:00:24.139,591] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:2
    [00:00:24.150,716] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:24.203,280] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:21
    [00:00:24.214,676] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 2b 43 45 52 45 47  3a 20 31 2c 35 0d 0a 0d |..+CEREG : 1,5...
                                         0a 4f 4b 0d 0a                                   |.OK..            
    [00:00:24.242,319] <dbg> modem_chat: modem_chat_log_received_command: +CEREG:  1 5
    [00:00:24.252,586] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:24.261,956] <dbg> modem_chat: modem_chat_script_stop: nordic_nrf91_slm_periodic_chat_script: complete
    [00:00:24.274,523] <dbg> modem_cellular: modem_cellular_log_event: event registered
    [00:00:24.284,896] <dbg> modem_cellular: modem_cellular_log_state_changed: switch from await registered to carrier on
    [00:00:24.298,214] <dbg> modem_cellular: modem_cellular_log_event: event script success
    [00:00:24.309,108] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:24
    [00:00:24.320,334] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 21  7d 21 7d 20 7d 28 7d 21 |~.}#.!}! }!} }(}!
                                         7d 24 7d 25 dc 51 c1 7e                          |}$}%.Q.~         
    [00:00:24.384,738] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:24
    [00:00:24.396,137] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 24  7d 21 7d 20 7d 28 7d 21 |~.}#.!}$ }!} }(}!
                                         7d 24 7d 25 dc 30 56 7e                          |}$}%.0V~         
    [00:00:24.423,772] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:24.434,589] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 12)
    [00:00:24.446,260] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:17
    [00:00:24.457,485] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 21  7d 22 7d 20 7d 24 b5 5a |~.}#.!}! }"} }$.Z
                                         7e                                               |~                
    [00:00:24.521,137] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:17
    [00:00:24.532,541] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 22  7d 22 7d 20 7d 24 78 7f |~.}#.!}" }"} }$x.
                                         7e                                               |~                
    [00:00:24.560,161] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:24.570,962] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 8)
    [00:00:26.284,957] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:26.295,037] <dbg> modem_chat: modem_chat_script_start: running script: nordic_nrf91_slm_periodic_chat_script
    [00:00:26.308,176] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_periodic_chat_script: step: 0
    [00:00:26.320,615] <dbg> modem_chat: modem_chat_script_next: sending: AT+CEREG?
    [00:00:26.330,615] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:9
    [00:00:26.341,741] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 2b 43 45 52 45 47  3f                      |AT+CEREG ?       
    [00:00:26.359,886] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:2
    [00:00:26.371,011] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:26.429,646] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:21
    [00:00:26.441,045] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 2b 43 45 52 45 47  3a 20 31 2c 35 0d 0a 0d |..+CEREG : 1,5...
                                         0a 4f 4b 0d 0a                                   |.OK..            
    [00:00:26.468,686] <dbg> modem_chat: modem_chat_log_received_command: +CEREG:  1 5
    [00:00:26.478,950] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:26.488,317] <dbg> modem_chat: modem_chat_script_stop: nordic_nrf91_slm_periodic_chat_script: complete
    [00:00:26.500,870] <dbg> modem_cellular: modem_cellular_log_event: event registered
    [00:00:26.511,198] <dbg> modem_cellular: modem_cellular_log_event: event script success
    [00:00:27.158,819] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:24
    [00:00:27.170,219] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 21  7d 21 7d 20 7d 28 7d 21 |~.}#.!}! }!} }(}!
                                         7d 24 7d 25 4e ca 76 7e                          |}$}%N.v~         
    [00:00:27.197,866] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:27.208,689] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 12)
    [00:00:27.220,382] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:24
    [00:00:27.231,611] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 24  7d 21 7d 20 7d 28 7d 21 |~.}#.!}$ }!} }(}!
                                         7d 24 7d 25 4e ab e1 7e                          |}$}%N..~         
    [00:00:27.295,477] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:17
    [00:00:27.306,874] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 21  7d 22 7d 20 7d 24 b5 5a |~.}#.!}! }"} }$.Z
                                         7e                                               |~                
    [00:00:27.334,494] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:27.345,293] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 8)
    [00:00:27.357,022] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:17
    [00:00:27.368,252] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 22  7d 22 7d 20 7d 24 78 7f |~.}#.!}" }"} }$x.
                                         7e                                               |~                
    [00:00:27.396,021] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:51
    [00:00:27.407,248] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 21  7d 21 7d 20 7d 36 7d 23 |~.}#.!}! }!} }6}#
                                         7d 26 7d 20 7d 20 7d 20  7d 20 81 7d 26 7d 20 7d |}&} } }  } .}&} }
                                         20 7d 20 7d 20 83 7d 26  7d 20 7d 20 7d 20 7d 20 | } } .}& } } } }
                                         6e db 7e                                         |n.~              
    [00:00:27.453,984] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:49
    [00:00:27.465,205] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7d 20 7d 20 7d 20 83 7d  26 7d 20 7d 20 7d 20 7d |} } } .} &} } } }
                                         20 6e db 7e 7e ff 7d 23  80 57 7d 21 7d 21 7d 20 | n.~~.}# .W}!}!}
                                         7d 2e 7d 21 7d 2a 33 35  39 ff fe 34 30 34 f6 fe |}.}!}*35 9..404..
                                         7e                                               |~                
    [00:00:27.511,809] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:31
    [00:00:27.523,205] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 21  7d 21 7d 20 7d 36 7d 23 |~.}#.!}! }!} }6}#
                                         7d 26 64 75 e0 27 81 7d  26 7d 20 7d 20 7d 20    |}&du.'.} &} } }  
    [00:00:27.550,841] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:16
    [00:00:27.562,234] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7d 20 83 7d 26 7d 20 7d  20 7d 20 7d 20 fe f7 7e |} .}&} }  } } ..~
    [00:00:27.580,458] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:27.591,325] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 26)
    [00:00:27.603,061] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:57
    [00:00:27.614,291] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         20 7d 2e 7d 21 7d 2a 33  35 39 ff fe 34 30 34 f6 | }.}!}*3 59..404.
                                         fe 7e 7e ff 7d 23 80 21  7d 24 7d 21 7d 20 7d 30 |.~~.}#.! }$}!} }0
                                         81 7d 26 7d 20 7d 20 7d  20 7d 20 83 7d 26 7d 20 |.}&} } }  } .}&}
                                         7d 20 7d 20 7d 20 5f c7  7e                      |} } } _. ~       
    [00:00:27.660,937] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:26
    [00:00:27.672,158] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         30 81 7d 26 7d 20 7d 20  7d 20 7d 20 83 7d 26 7d |0.}&} }  } } .}&}
                                         20 7d 20 7d 20 7d 20 5f  c7 7e                   | } } } _ .~      
    [00:00:27.699,868] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:31
    [00:00:27.711,272] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 23  7d 21 7d 20 7d 36 7d 23 |~.}#.!}# }!} }6}#
                                         7d 26 64 75 e0 27 81 7d  26 7d 20 7d 20 7d 20    |}&du.'.} &} } }  
    [00:00:27.738,914] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:16
    [00:00:27.750,311] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7d 20 83 7d 26 7d 20 7d  20 7d 20 7d 20 55 ad 7e |} .}&} }  } } U.~
    [00:00:27.768,478] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:31
    [00:00:27.779,866] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 28  7d 21 7d 20 7d 32 80 57 |~.}#.!}( }!} }2.W
                                         7d 21 7d 21 7d 20 7d 2e  7d 21 7d 2a 33 35 39    |}!}!} }. }!}*359
    [00:00:27.807,496] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:6
    [00:00:27.818,802] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         ff fe 34 9c fc 7e                                |..4..~           
    [00:00:27.836,978] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:27.847,843] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 26)
    [00:00:27.859,343] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:27.870,192] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 22)
    [00:00:27.881,919] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:26
    [00:00:27.893,324] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 21  7d 22 7d 20 7d 2a 7d 23 |~.}#.!}! }"} }*}#
                                         7d 26 64 75 e0 27 5d 7d  30 7e                   |}&du.']} 0~      
    [00:00:27.920,988] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:27.931,817] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 14)
    [00:00:27.943,553] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:47
    [00:00:27.954,785] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 21  7d 22 7d 20 7d 36 7d 23 |~.}#.!}! }"} }6}#
                                         7d 26 64 75 e0 27 81 7d  26 7d 20 7d 20 7d 20 7d |}&du.'.} &} } } }
                                         20 83 7d 26 7d 20 7d 20  7d 20 7d 20 4a ae 7e    | .}&} }  } } J.~
    [00:00:27.992,065] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:59
    [00:00:28.003,288] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7d 20 83 7d 26 7d 20 7d  20 7d 20 7d 20 4a ae 7e |} .}&} }  } } J.~
                                         7e ff 7d 23 c0 21 7d 27  7d 21 7d 20 7d 34 c0 21 |~.}#.!}' }!} }4.!
                                         7d 28 7d 21 7d 20 7d 32  80 57 7d 21 7d 21 7d 20 |}(}!} }2 .W}!}!}
                                         7d 2e 7d 21 7d 2a 33 35  93 66 7e                |}.}!}*35 .f~     
    [00:00:28.050,002] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:53
    [00:00:28.061,230] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         21 7d 28 7d 21 7d 20 7d  32 80 57 7d 21 7d 21 7d |!}(}!} } 2.W}!}!}
                                         20 7d 2e 7d 21 7d 2a 33  35 93 66 7e 7e ff 7d 23 | }.}!}*3 5.f~~.}#
                                         80 21 7d 22 7d 22 7d 20  7d 2a 7d 23 7d 26 64 75 |.!}"}"}  }*}#}&du
                                         e0 27 34 64 7e                                   |.'4d~            
    [00:00:28.107,878] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:22
    [00:00:28.119,099] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         23 80 21 7d 22 7d 22 7d  20 7d 2a 7d 23 7d 26 64 |#.!}"}"}  }*}#}&d
                                         75 e0 27 34 64 7e                                |u.'4d~           
    [00:00:28.146,741] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:31
    [00:00:28.158,139] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 23  7d 22 7d 20 7d 30 81 7d |~.}#.!}# }"} }0.}
                                         26 7d 20 7d 20 7d 20 7d  20 83 7d 26 7d 20 7d    |&} } } }  .}&} }
    [00:00:28.185,778] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:8
    [00:00:28.197,087] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         20 7d 20 7d 20 62 ad 7e                          | } } b.~         
    [00:00:28.215,296] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:28.226,146] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 20)
    [00:00:28.237,918] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:47
    [00:00:28.249,140] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 21  7d 23 7d 20 7d 36 7d 23 |~.}#.!}! }#} }6}#
                                         7d 26 64 75 e0 27 81 7d  26 7d 20 7d 20 7d 20 7d |}&du.'.} &} } } }
                                         20 83 7d 26 7d 20 7d 20  7d 20 7d 20 26 99 7e    | .}&} }  } } &.~
    [00:00:28.286,310] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:16
    [00:00:28.297,528] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7d 20 83 7d 26 7d 20 7d  20 7d 20 7d 20 26 99 7e |} .}&} }  } } &.~
    [00:00:28.349,715] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:31
    [00:00:28.361,109] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 23  7d 23 7d 20 7d 30 81 7d |~.}#.!}# }#} }0.}
                                         26 7d 20 7d 20 7d 20 7d  20 83 7d 26 7d 20 7d    |&} } } }  .}&} }
    [00:00:28.388,747] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:8
    [00:00:28.400,053] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         20 7d 20 7d 20 48 e5 7e                          | } } H.~         
    [00:00:28.418,213] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:28.429,055] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 20)
    [00:00:28.440,831] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:48
    [00:00:28.452,061] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 21  7d 24 7d 20 7d 36 7d 23 |~.}#.!}! }$} }6}#
                                         7d 26 64 75 e0 27 81 7d  26 7d 20 7d 20 7d 20 7d |}&du.'.} &} } } }
                                         20 83 7d 26 7d 20 7d 20  7d 20 7d 20 22 7d 3d 7e | .}&} }  } } "}=~
    [00:00:28.489,219] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:17
    [00:00:28.500,442] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7d 20 83 7d 26 7d 20 7d  20 7d 20 7d 20 22 7d 3d |} .}&} }  } } "}=
                                         7e                                               |~                
    [00:00:28.528,135] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:28.538,251] <dbg> modem_chat: modem_chat_script_start: running script: nordic_nrf91_slm_periodic_chat_script
    [00:00:28.551,395] <dbg> modem_chat: modem_chat_script_next: nordic_nrf91_slm_periodic_chat_script: step: 0
    [00:00:28.563,838] <dbg> modem_chat: modem_chat_script_next: sending: AT+CEREG?
    [00:00:28.573,867] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:9
    [00:00:28.584,999] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 2b 43 45 52 45 47  3f                      |AT+CEREG ?       
    [00:00:28.603,145] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:2
    [00:00:28.614,269] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:28.632,411] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:31
    [00:00:28.643,813] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 23  7d 24 7d 20 7d 30 81 7d |~.}#.!}# }$} }0.}
                                         26 7d 20 7d 20 7d 20 7d  20 83 7d 26 7d 20 7d    |&} } } }  .}&} }
    [00:00:28.671,452] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:9
    [00:00:28.682,755] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         20 7d 20 7d 20 8f 7d 35  7e                      | } } .}5 ~       
    [00:00:28.700,964] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:28.711,824] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 20)
    [00:00:28.723,594] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:47
    [00:00:28.734,822] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 21  7d 25 7d 20 7d 36 7d 23 |~.}#.!}! }%} }6}#
                                         7d 26 64 75 e0 27 81 7d  26 7d 20 7d 20 7d 20 7d |}&du.'.} &} } } }
                                         20 83 7d 26 7d 20 7d 20  7d 20 7d 20 4e 2a 7e    | .}&} }  } } N*~
    [00:00:28.772,015] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:16
    [00:00:28.783,237] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7d 20 83 7d 26 7d 20 7d  20 7d 20 7d 20 4e 2a 7e |} .}&} }  } } N*~
    [00:00:28.801,437] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:21
    [00:00:28.812,835] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 2b 43 45 52 45 47  3a 20 31 2c 35 0d 0a 0d |..+CEREG : 1,5...
                                         0a 4f 4b 0d 0a                                   |.OK..            
    [00:00:28.840,520] <dbg> modem_chat: modem_chat_log_received_command: +CEREG:  1 5
    [00:00:28.850,795] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:28.860,164] <dbg> modem_chat: modem_chat_script_stop: nordic_nrf91_slm_periodic_chat_script: complete
    [00:00:28.872,745] <dbg> modem_cellular: modem_cellular_log_event: event registered
    [00:00:28.883,081] <dbg> modem_cellular: modem_cellular_log_event: event script success
    [00:00:28.893,841] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:31
    [00:00:28.905,235] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 23  7d 25 7d 20 7d 30 81 7d |~.}#.!}# }%} }0.}
                                         26 7d 20 7d 20 7d 20 7d  20 83 7d 26 7d 20 7d    |&} } } }  .}&} }
    [00:00:28.932,863] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:8
    [00:00:28.944,163] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         20 7d 20 7d 20 a5 5d 7e                          | } } .]~         
    [00:00:28.962,317] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:28.973,158] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 20)
    [00:00:28.984,930] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:47
    [00:00:28.996,160] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 21  7d 26 7d 20 7d 36 7d 23 |~.}#.!}! }&} }6}#
                                         7d 26 64 75 e0 27 81 7d  26 7d 20 7d 20 7d 20 7d |}&du.'.} &} } } }
                                         20 83 7d 26 7d 20 7d 20  7d 20 7d 20 fa 73 7e    | .}&} }  } } .s~
    [00:00:29.033,320] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:16
    [00:00:29.044,541] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7d 20 83 7d 26 7d 20 7d  20 7d 20 7d 20 fa 73 7e |} .}&} }  } } .s~
    [00:00:29.096,772] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:31
    [00:00:29.108,173] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 24  7d 26 7d 20 7d 30 81 7d |~.}#.!}$ }&} }0.}
                                         26 7d 20 7d 20 7d 20 7d  20 83 7d 26 7d 20 7d    |&} } } }  .}&} }
    [00:00:29.135,803] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:8
    [00:00:29.147,102] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         20 7d 20 7d 20 98 37 7e                          | } } .7~         
    [00:00:29.165,265] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:29.176,104] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 20)
    [00:00:29.187,805] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:25
    [00:00:29.199,028] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 21  7d 27 7d 20 7d 2a 7d 23 |~.}#.!}! }'} }*}#
                                         7d 26 64 75 e0 27 45 62  7e                      |}&du.'Eb ~       
    [00:00:29.265,221] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:14
    [00:00:29.276,619] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 23 58 50 50 50 3a  20 31 2c 31 0d 0a       |..#XPPP:  1,1..  
    [00:00:29.294,776] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:26
    [00:00:29.306,171] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 21 7d 22  7d 27 7d 20 7d 2a 7d 23 |~.}#.!}" }'} }*}#
                                         7d 26 64 75 e0 27 2c 7d  36 7e                   |}&du.',} 6~      
    [00:00:29.333,815] <dbg> modem_chat: modem_chat_on_unknown_command_received: #XPPP: 1,1
    [00:00:29.344,534] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:29.355,348] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 14)
    Retrieving cellular info
    [00:00:29.371,397] <dbg> modem_chat: modem_chat_script_start: running script: get_signal_csq_chat_script
    [00:00:29.383,572] <dbg> modem_chat: modem_chat_script_next: get_signal_csq_chat_script: step: 0
    [00:00:29.395,042] <dbg> modem_chat: modem_chat_script_next: sending: AT+CSQ
    [00:00:29.404,783] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:6
    [00:00:29.415,908] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 2b 43 53 51                                |AT+CSQ           
    [00:00:29.434,035] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:2
    [00:00:29.445,153] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:29.499,889] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:21
    [00:00:29.511,284] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 2b 43 53 51 3a 20  39 39 2c 39 39 0d 0a 0d |..+CSQ:  99,99...
                                         0a 4f 4b 0d 0a                                   |.OK..            
    [00:00:29.538,914] <dbg> modem_chat: modem_chat_log_received_command: +CSQ:  99 99
    [00:00:29.549,164] <dbg> modem_chat: modem_chat_script_next: get_signal_csq_chat_script: step: 1
    [00:00:29.560,651] <dbg> modem_chat: modem_chat_log_received_command: OK
    [00:00:29.570,012] <dbg> modem_chat: modem_chat_script_stop: get_signal_csq_chat_script: complete
    [00:00:29.581,603] <dbg> modem_cellular: modem_cellular_log_event: event script success
    [00:00:29.592,321] <dbg> modem_chat: modem_chat_script_start: running script: get_signal_cesq_chat_script
    [00:00:29.604,594] <dbg> modem_chat: modem_chat_script_next: get_signal_cesq_chat_script: step: 0
    [00:00:29.616,156] <dbg> modem_chat: modem_chat_script_next: sending: AT+CESQ
    [00:00:29.625,984] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:7
    [00:00:29.637,113] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 2b 43 45 53 51                             |AT+CESQ          
    [00:00:29.655,249] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:2
    [00:00:29.666,371] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:29.725,314] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:31
    [00:00:29.736,715] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 2b 43 45 53 51 3a  20 39 39 2c 39 39 2c 32 |..+CESQ:  99,99,2
                                         35 35 2c 32 35 35 2c 32  33 2c 36 30 0d 0a 0d    |55,255,2 3,60...
    [00:00:29.764,401] <dbg> modem_chat: modem_chat_log_received_command: +CESQ:  99 99 255 255 23 60
    [00:00:29.775,968] <dbg> modem_chat: modem_chat_script_next: get_signal_cesq_chat_script: step: 1
    [00:00:30.357,130] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:29
    [00:00:30.368,357] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 57 7d 21  7d 21 7d 20 7d 2e 7d 21 |~.}#.W}! }!} }.}!
                                         7d 2a 33 35 39 ff fe 34  30 34 f6 fe 7e          |}*359..4 04..~   
    [00:00:30.433,151] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:31
    [00:00:30.444,552] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 28  7d 21 7d 20 7d 32 80 57 |~.}#.!}( }!} }2.W
                                         7d 21 7d 21 7d 20 7d 2e  7d 21 7d 2a 33 35 39    |}!}!} }. }!}*359
    [00:00:30.472,182] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:6
    [00:00:30.483,486] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         ff fe 34 9c fc 7e                                |..4..~           
    [00:00:30.501,641] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:30.512,488] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 22)
    [00:00:30.524,199] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:43
    [00:00:30.535,421] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 27  7d 21 7d 20 7d 34 c0 21 |~.}#.!}' }!} }4.!
                                         7d 28 7d 21 7d 20 7d 32  80 57 7d 21 7d 21 7d 20 |}(}!} }2 .W}!}!}
                                         7d 2e 7d 21 7d 2a 33 35  93 66 7e                |}.}!}*35 .f~     
    [00:00:30.572,560] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:12
    [00:00:30.583,780] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         20 7d 2e 7d 21 7d 2a 33  35 93 66 7e             | }.}!}*3 5.f~    
    [00:00:30.893,819] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:31.626,000] <wrn> modem_chat: get_signal_cesq_chat_script: timed out
    [00:00:31.635,917] <dbg> modem_cellular: modem_cellular_log_event: event script failed
    [00:00:31.646,539] <dbg> modem_chat: modem_chat_script_start: running script: get_signal_cesq_chat_script
    [00:00:31.658,811] <dbg> modem_chat: modem_chat_script_next: get_signal_cesq_chat_script: step: 0
    [00:00:31.670,371] <dbg> modem_chat: modem_chat_script_next: sending: AT+CESQ
    [00:00:31.680,200] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:7
    [00:00:31.691,326] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         41 54 2b 43 45 53 51                             |AT+CESQ          
    [00:00:31.709,463] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:2 cr:1 pf:0 type:UIH dlen:2
    [00:00:31.720,588] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a                                            |..               
    [00:00:31.779,531] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:2 cr:1 pf:0 type:UIH dlen:31
    [00:00:31.790,930] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         0d 0a 2b 43 45 53 51 3a  20 39 39 2c 39 39 2c 32 |..+CESQ:  99,99,2
                                         35 35 2c 32 35 35 2c 32  34 2c 36 30 0d 0a 0d    |55,255,2 4,60...
    [00:00:31.818,576] <dbg> modem_chat: modem_chat_on_unknown_command_received:
    [00:00:31.828,525] <dbg> modem_chat: modem_chat_log_received_command: +CESQ:  99 99 255 255 24 60
    [00:00:31.840,092] <dbg> modem_chat: modem_chat_script_next: get_signal_cesq_chat_script: step: 1
    [00:00:33.357,258] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:29
    [00:00:33.368,488] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 80 57 7d 21  7d 21 7d 20 7d 2e 7d 21 |~.}#.W}! }!} }.}!
                                         7d 2a 33 35 39 ff fe 34  30 34 f6 fe 7e          |}*359..4 04..~   
    [00:00:33.433,410] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:31
    [00:00:33.444,815] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 28  7d 21 7d 20 7d 32 80 57 |~.}#.!}( }!} }2.W
                                         7d 21 7d 21 7d 20 7d 2e  7d 21 7d 2a 33 35 39    |}!}!} }. }!}*359
    [00:00:33.472,457] <dbg> modem_cmux: modem_cmux_log_frame: rcvd ch:1 cr:1 pf:0 type:UIH dlen:6
    [00:00:33.483,768] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         ff fe 34 9c fc 7e                                |..4..~           
    [00:00:33.501,931] <dbg> modem_ppp: modem_ppp_process_received_byte: Receiving PPP frame
    [00:00:33.512,777] <dbg> modem_ppp: modem_ppp_process_received_byte: Received PPP frame (len 22)
    [00:00:33.524,491] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:43
    [00:00:33.535,720] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 c0 21 7d 27  7d 21 7d 20 7d 34 c0 21 |~.}#.!}' }!} }4.!
                                         7d 28 7d 21 7d 20 7d 32  80 57 7d 21 7d 21 7d 20 |}(}!} }2 .W}!}!}
                                         7d 2e 7d 21 7d 2a 33 35  93 66 7e                |}.}!}*35 .f~     
    [00:00:33.572,878] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:12
    [00:00:33.584,101] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         20 7d 2e 7d 21 7d 2a 33  35 93 66 7e             | }.}!}*3 5.f~    
    [00:00:33.646,588] <dbg> modem_cellular: modem_cellular_log_event: event timeout
    [00:00:33.680,240] <wrn> modem_chat: get_signal_cesq_chat_script: timed out
    [00:00:33.690,153] <dbg> modem_cellular: modem_cellular_log_event: event script failed
    IMEI: 359404230396419
    MODEL_ID: nRF9151-LACA
    MANUFACTURER: Nordic Semiconductor ASA
    SIM_IMSI:
    SIM_ICCID:
    FW_VERSION: mfw_nrf91x1_2.0.2
    Performing DNS lookup of 34.88.0.90
    Resolved to 34.88.0.90
    Opening UDP socket
    Socket opened
    Sending echo packet
    [00:00:33.751,344] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:826
    [00:00:33.762,693] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         7e ff 7d 23 7d 20 21 45  7d 20 7d 24 7d 3c 7d 20 |~.}#} !E } }$}<}
                                         7d 20 7d 20 7d 20 40 7d  31 7d 2f 83 64 75 e0 27 |} } } @} 1}/.du.'
                                         22 58 7d 20 5a dc d7 7d  30 92 7d 24 7d 28 a4 24 |"X} Z..} 0.}$}(.$
                                         a3 a0 59 7d 3e ff cc 7d  35 2a 7d 3b b8 91 f6 f7 |..Y}>..} 5*};....
                                         64 cd 82 93 d0 c9 ce ef  fc 85 da 7d 2b e8 7d 21 |d....... ...}+.}!
                                         a6 e7 94 3d 32 83 7d 20  39 7d 5e df 2c f5 8a fb |...=2.}  9}^.,...
                                         7d 38 71 56 d7 c4 ad e2  73 30 a9 2e cf 5c 65 3a |}8qV.... s0...\e:
                                         eb 48 e1 7d 26 c7 f4 7d  3d 92 63 60 7d 39 de bf |.H.}&..} =.c`}9..
                                         8c d5 ea db 78 51 b6 b7  24 8d 42 53 90 89 8e af |....xQ.. $.BS....
                                         bc 45 9a cb a8 c1 66 a7  54 fd f2 43 c0 f9 3e 9f |.E....f. T..C..>.
                                         ec b5 4a bb d8 31 7d 36  97 84 6d a2 33 f0 69 ee |..J..1}6 ..m.3.i.
                                         8f 7d 3c 25 fa ab 7d 28  a1 c6 87 b4 dd 52 23 20 |.}<%..}( .....R#
                                         d9 9e 7f 4c 95 aa 9b 38  7d 31 76 77 e4 4d 7d 22 |...L...8 }1vw.M}"
                                         7d 33 50 49 4e 6f 7c 7d  25 5a 8b 68 81 26 67 7d |}3PINo|} %Z.h.&g}
                                         34 bd b2 7d 23 80 b9 fe  5f ac 75 7d 2a 7b 98 f1 |4..}#... _.u}*{..
                                         d6 57 44 2d 62 f3 b0 29  ae 4f dc e5 ba 6b c8 61 |.WD-b..) .O...k.a
                                         86 47 74 9d 7d 32 e3 e0  99 5e 3f 7d 2c 55 6a 5b |.Gt.}2.. .^?},Uj[
                                         f8 d1 36 37 a4 7d 2d c2  d3 7d 30 7d 29 7d 2e 2f |..67.}-. .}0})}./
                                         3c c5 7d 3a 4b 28 41 e6  27 d4 7d 5d 72 c3 40 79 |<.}:K(A. '.}]r.@y
                                         be 7d 3f 6c 35 ca 3b 58  b1 96 7d 37 7d 24 ed 22 |.}?l5.;X ..}7}$."
                                         b3 70 e9 6e 7d 2f 9c a5  7a 2b 88 21 46 7d 27 34 |.p.n}/.. z+.!F}'4
                                         5d d2 a3 a0 59 7d 3e ff  cc 7d 35 2a 7d 3b b8 91 |]...Y}>. .}5*};..
                                         f6 f7 64 cd 82 93 d0 c9  ce ef fc 85 da 7d 2b e8 |..d..... .....}+.
                                         7d 21 a6 e7 94 3d 32 83  7d 20 39 7d 5e df 2c f5 |}!...=2. } 9}^.,.
                                         8a fb 7d 38 71 56 d7 c4  ad e2 73 30 a9 2e cf 5c |..}8qV.. ..s0...\
                                         65 3a eb 48 e1 7d 26 c7  f4 7d 3d 92 63 60 7d 39 |e:.H.}&. .}=.c`}9
                                         de bf 8c d5 ea db 78 51  b6 b7 24 8d 42 53 90 89 |......xQ ..$.BS..
                                         8e af bc 45 9a cb a8 c1  66 a7 54 fd f2 43 c0 f9 |...E.... f.T..C..
                                         3e 9f ec b5 4a bb d8 31  7d 36 97 84 6d a2 33 f0 |>...J..1 }6..m.3.
                                         69 ee 8f 7d 3c 25 fa ab  7d 28 a1 c6 87 b4 dd 52 |i..}<%.. }(.....R
                                         23 20 d9 9e 7f 4c 95 aa  9b 38 7d 31 76 77 e4 4d |# ...L.. .8}1vw.M
                                         7d 22 7d 33 50 49 4e 6f  7c 7d 25 5a 8b 68 81 26 |}"}3PINo |}%Z.h.&
                                         67 7d 34 bd b2 7d 23 80  b9 fe 5f ac 75 7d 2a 7b |g}4..}#. .._.u}*{
                                         98 f1 d6 57 44 2d 62 f3  b0 29 ae 4f dc e5 ba 6b |...WD-b. .).O...k
                                         c8 61 86 47 74 9d 7d 32  e3 e0 99 5e 3f 7d 2c 55 |.a.Gt.}2 ...^?},U
                                         6a 5b f8 d1 36 37 a4 7d  2d c2 d3 7d 30 7d 29 7d |j[..67.} -..}0})}
                                         2e 2f 3c c5 7d 3a 4b 28  41 e6 27 d4 7d 5d 72 c3 |./<.}:K( A.'.}]r.
                                         40 79 be 7d 3f 6c 35 ca  3b 58 b1 96 7d 37 7d 24 |@y.}?l5. ;X..}7}$
                                         ed 22 b3 70 e9 6e 7d 2f  9c a5 7a 2b 88 21 46 7d |.".p.n}/ ..z+.!F}
                                         27 34 5d d2 a3 a0 59 7d  3e ff cc 7d 35 2a 7d 3b |'4]...Y} >..}5*};
                                         b8 91 f6 f7 64 cd 82 93  d0 c9 ce ef fc 85 da 7d |....d... .......}
                                         2b e8 7d 21 a6 e7 94 3d  32 83 7d 20 39 7d 5e df |+.}!...= 2.} 9}^.
                                         2c f5 8a fb 7d 38 71 56  d7 c4 ad e2 73 30 a9 2e |,...}8qV ....s0..
                                         cf 5c 65 3a eb 48 e1 7d  26 c7 f4 7d 3d 92 63 60 |.\e:.H.} &..}=.c`
                                         7d 39 de bf 8c d5 ea db  78 51 b6 b7 24 8d 42 53 |}9...... xQ..$.BS
                                         90 89 8e af bc 45 9a cb  a8 c1 66 a7 54 fd f2 43 |.....E.. ..f.T..C
                                         c0 f9 3e 9f ec b5 4a bb  d8 31 7d 36 97 84 6d a2 |..>...J. .1}6..m.
                                         33 f0 69 ee 8f 7d 3c 25  fa ab 7d 28 a1 c6 87 b4 |3.i..}<% ..}(....
                                         dd 52 23 20 d9 9e 7f 4c  95 aa 9b 38 7d 31 76 77 |.R# ...L ...8}1vw
                                         e4 4d 7d 22 7d 33 50 49  4e 6f 7c 7d 25 5a 8b 68 |.M}"}3PI No|}%Z.h
                                         81 26 67 7d 34 bd b2 7d  23 80 b9 fe 5f ac 75 7d |.&g}4..} #..._.u}
                                         2a 7b 98 f1 d6 57 44 2d  62 f3                   |*{...WD- b.      
    [00:00:34.264,089] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:795
    [00:00:34.275,432] <dbg> modem_cmux: modem_cmux_log_frame: data:
                                         27 22 58 7d 20 5a dc d7  7d 30 92 7d 24 7d 28 a4 |'"X} Z.. }0.}$}(.
                                         24 a3 a0 59 7d 3e ff cc  7d 35 2a 7d 3b b8 91 f6 |$..Y}>.. }5*};...
                                         f7 64 cd 82 93 d0 c9 ce  ef fc 85 da 7d 2b e8 7d |.d...... ....}+.}
                                         21 a6 e7 94 3d 32 83 7d  20 39 7d 5e df 2c f5 8a |!...=2.}  9}^.,..
                                         fb 7d 38 71 56 d7 c4 ad  e2 73 30 a9 2e cf 5c 65 |.}8qV... .s0...\e
                                         3a eb 48 e1 7d 26 c7 f4  7d 3d 92 63 60 7d 39 de |:.H.}&.. }=.c`}9.
                                         bf 8c d5 ea db 78 51 b6  b7 24 8d 42 53 90 89 8e |.....xQ. .$.BS...
                                         af bc 45 9a cb a8 c1 66  a7 54 fd f2 43 c0 f9 3e |..E....f .T..C..>
                                         9f ec b5 4a bb d8 31 7d  36 97 84 6d a2 33 f0 69 |...J..1} 6..m.3.i
                                         ee 8f 7d 3c 25 fa ab 7d  28 a1 c6 87 b4 dd 52 23 |..}<%..} (.....R#
                                         20 d9 9e 7f 4c 95 aa 9b  38 7d 31 76 77 e4 4d 7d | ...L... 8}1vw.M}
                                         22 7d 33 50 49 4e 6f 7c  7d 25 5a 8b 68 81 26 67 |"}3PINo| }%Z.h.&g
                                         7d 34 bd b2 7d 23 80 b9  fe 5f ac 75 7d 2a 7b 98 |}4..}#.. ._.u}*{.
                                         f1 d6 57 44 2d 62 f3 b0  29 ae 4f dc e5 ba 6b c8 |..WD-b.. ).O...k.
                                         61 86 47 74 9d 7d 32 e3  e0 99 5e 3f 7d 2c 55 6a |a.Gt.}2. ..^?},Uj
                                         5b f8 d1 36 37 a4 7d 2d  c2 d3 7d 30 7d 29 7d 2e |[..67.}- ..}0})}.
                                         2f 3c c5 7d 3a 4b 28 41  e6 27 d4 7d 5d 72 c3 40 |/<.}:K(A .'.}]r.@
                                         79 be 7d 3f 6c 35 ca 3b  58 b1 96 7d 37 7d 24 ed |y.}?l5.; X..}7}$.
                                         22 b3 70 e9 6e 7d 2f 9c  a5 7a 2b 88 21 46 7d 27 |".p.n}/. .z+.!F}'
                                         34 5d d2 a3 a0 59 7d 3e  ff cc 7d 35 2a 7d 3b b8 |4]...Y}> ..}5*};.
                                         91 f6 f7 64 cd 82 93 d0  c9 ce ef fc 85 da 7d 2b |...d.... ......}+
                                         e8 7d 21 a6 e7 94 3d 32  83 7d 20 39 7d 5e df 2c |.}!...=2 .} 9}^.,
                                         f5 8a fb 7d 38 71 56 d7  c4 ad e2 73 30 a9 2e cf |...}8qV. ...s0...
                                         5c 65 3a eb 48 e1 7d 26  c7 f4 7d 3d 92 63 60 7d |\e:.H.}& ..}=.c`}
                                         39 de bf 8c d5 ea db 78  51 b6 b7 24 8d 42 53 90 |9......x Q..$.BS.
                                         89 8e af bc 45 9a cb a8  c1 66 a7 54 fd f2 43 c0 |....E... .f.T..C.
                                         f9 3e 9f ec b5 4a bb d8  31 7d 36 97 84 6d a2 33 |.>...J.. 1}6..m.3
                                         f0 69 ee 8f 7d 3c 25 fa  ab 7d 28 a1 c6 87 b4 dd |.i..}<%. .}(.....
                                         52 23 20 d9 9e 7f 4c 95  aa 9b 38 7d 31 76 77 e4 |R# ...L. ..8}1vw.
                                         4d 7d 22 7d 33 50 49 4e  6f 7c 7d 25 5a 8b 68 81 |M}"}3PIN o|}%Z.h.
                                         26 67 7d 34 bd b2 7d 23  80 b9 fe 5f ac 75 7d 2a |&g}4..}# ..._.u}*
                                         7b 98 f1 d6 57 44 2d 62  f3 b0 29 ae 4f dc e5 ba |{...WD-b ..).O...
                                         6b c8 61 86 47 74 9d 7d  32 e3 e0 99 5e 3f 7d 2c |k.a.Gt.} 2...^?},
                                         55 6a 5b f8 d1 36 37 a4  7d 2d c2 d3 7d 30 7d 29 |Uj[..67. }-..}0})
                                         7d 2e 2f 3c c5 7d 3a 4b  28 41 e6 27 d4 7d 5d 72 |}./<.}:K (A.'.}]r
                                         c3 40 79 be 7d 3f 6c 35  ca 3b 58 b1 96 7d 37 7d |.@y.}?l5 .;X..}7}
                                         24 ed 22 b3 70 e9 6e 7d  2f 9c a5 7a 2b 88 21 46 |$.".p.n} /..z+.!F
                                         7d 27 34 5d d2 a3 a0 59  7d 3e ff cc 7d 35 2a 7d |}'4]...Y }>..}5*}
                                         3b b8 91 f6 f7 64 cd 82  93 d0 c9 ce ef fc 85 da |;....d.. ........
                                         7d 2b e8 7d 21 a6 e7 94  3d 32 83 7d 20 39 7d 5e |}+.}!... =2.} 9}^
                                         df 2c f5 8a fb 7d 38 71  56 d7 c4 ad e2 73 30 a9 |.,...}8q V....s0.
                                         2e cf 5c 65 3a eb 48 e1  7d 26 c7 f4 7d 3d 92 63 |..\e:.H. }&..}=.c
                                         60 7d 39 de bf 8c d5 ea  db 78 51 b6 b7 24 8d 42 |`}9..... .xQ..$.B
                                         53 90 89 8e af bc 45 9a  cb a8 c1 66 a7 54 fd f2 |S.....E. ...f.T..
                                         43 c0 f9 3e 9f ec b5 4a  bb d8 31 7d 36 97 84 6d |C..>...J ..1}6..m
                                         a2 33 f0 69 ee 8f 7d 3c  25 fa ab 7d 28 a1 c6 87 |.3.i..}< %..}(...
                                         b4 dd 52 23 20 d9 9e 7f  4c 95 aa 9b 38 7d 31 76 |..R# ... L...8}1v
                                         77 e4 4d 7d 22 7d 33 50  49 4e 6f 7c 7d 25 5a 8b |w.M}"}3P INo|}%Z.
                                         68 81 26 67 7d 34 bd b2  7d 23 80 b9 fe 5f ac 75 |h.&g}4.. }#..._.u
                                         7d 2a 7b 98 f1 d6 57 44  2d 62 f3                |}*{...WD -b.     
    [00:00:34.757,977] <dbg> modem_cmux: modem_cmux_log_frame: tx ch:1 cr:1 pf:0 type:UIH dlen:764
    [00:00:34.769,321] <dbg> modem_cmux: modem_cmux_log_frame: data:

    The rest of the log is just packet handling, I am not experiencing problems with that.

    Is everything working as expected if you omit lines shown below?

    Everything works as expected even if I don't omit those lines, those lines don't really interfere with application. I am able to connect to the server and send and receive the packets.

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