modem shell application (2.6.1) "pkt cloning failed" warning and "send() failed to modem" error

Hi everyone,

I am testing modem shell application (2.6.1) for PPP support.

Here I am building the application using overlay-ppp.conf and ppp.overlay files.

after flashing the application in NRF9160 the PPP is started as mentioned in the PPP support  and it can be seen in Modem logs as well.

form linux host machine I am starting the pppd as mentioned in PPP support step number 6.

after that I am pining the 8.8.8.8 IP address from linux machine, in that case I got warnings and error.

What does it mean? Am I missing any configuration?

Any insights or suggestions would be greatly appreciated.

Thanks in advance.

Modem Logs :

*** Booting nRF Connect SDK v3.5.99-ncs1-1 ***

Reset reason: PIN reset

MOSH version:       v2.6.1
MOSH build id:      custom
MOSH build variant: dev



mosh:~$ 
No response from the terminal, assumed 80x24 screen size
Network registration status: searching
Currently active system mode: NB-IoT
LTE cell changed: ID: 236318545, Tracking area: 9123
RRC mode: Connected
PDN event: PDP context 0 activated
Default PDN is active: starting PPP automatically.
PDN event: PDP context 0, PDN type IPv4 only allowed
Modem domain event: Search done
Network registration status: Connected - roaming
PSM parameter update: TAU: 3240, Active time: -1 seconds
PPP net if up
PPP Zephyr data socket 3 created
PPP carrier ON
modem data socket 4 created for modem data
PPP: started
Modem config for system mode: NB-IoT
Modem config for LTE preference: NB-IoT is preferred over PLMN selection
Currently active system mode: NB-IoT
Modem FW version:      mfw_nrf9160_1.3.6
Device ID:             nrf-351901930672963
Operator full name:   "AIRTEL"
Operator short name:  "airtel"
Operator PLMN:        "40490"
Current cell id:       236318545 (0x0E15EF51)
Current phy cell id:   158
Current band:          5
Current TAC:           9123 (0x23A3)
Current rsrp:          44: -96dBm
Current snr:           24: 0dB
Mobile network time and date: 24/06/11,10:06:16+22
PDP context info 1:
  CID:                0
  PDN ID:             0
  PDP context active: yes
  PDP type:           IP
  APN:                emerson.rtr.cxn
  IPv4 MTU:           1500
  IPv4 address:       10.65.146.159
  IPv6 address:       ::
  IPv4 DNS address:   8.8.8.8, 8.8.4.4
  IPv6 DNS address:   ::, ::
RRC mode: Idle
PPP in running phase
Dial up (IPv6) connection up
Dial up (IPv6) connection down
RRC mode: Connected
PPP in running phase
Dial up (IPv6) connection up
Dial up (IPv4) connection up
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 56
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:00:29.490,844] <wrn> net_conn: pkt cloning failed, pkt 0x200352a8 dropped
[00:00:29.591,705] <wrn> net_conn: pkt cloning failed, pkt 0x200352a8 dropped
[00:00:29.692,535] <wrn> net_conn: pkt cloning failed, pkt 0x200352a8 dropped
[00:00:29.793,365] <wrn> net_conn: pkt cloning failed, pkt 0x200352a8 dropped
[00:00:29.895,294] <wrn> net_conn: pkt cloning failed, pkt 0x200352a8 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 56
Dial up (IPv6) connection down
[00:00:31.477,203] <wrn> net_conn: pkt cloning failed, pkt 0x200356a8 dropped
[00:00:31.578,063] <wrn> net_conn: pkt cloning failed, pkt 0x200356a8 dropped
[00:00:31.678,894] <wrn> net_conn: pkt cloning failed, pkt 0x200356a8 dropped
[00:00:31.779,724] <wrn> net_conn: pkt cloning failed, pkt 0x200356a8 dropped
[00:00:32.273,498] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:32.374,328] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:32.475,158] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 56
[00:00:32.575,988] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:32.676,910] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:32.777,832] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:32.966,064] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:33.066,986] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:33.167,938] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:33.268,859] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:33.369,873] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:33.470,794] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:33.571,807] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 56
[00:00:33.672,851] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:33.773,986] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:33.975,189] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:34.076,019] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:34.176,849] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:34.277,679] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:34.378,509] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:34.582,000] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:34.682,861] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:34.783,721] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:34.884,643] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:34.985,473] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:35.086,303] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:35.187,133] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:35.365,081] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:35.466,003] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:35.566,925] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:35.668,884] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 56
[00:00:35.769,927] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:35.870,788] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:35.971,618] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:36.072,448] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:36.173,278] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:36.274,108] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:36.451,660] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:36.553,588] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:36.654,541] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:36.755,371] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
Dial up (IPv6) connection up
[00:00:36.856,231] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:36.957,092] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:37.057,922] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:37.219,879] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:37.320,831] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:37.421,661] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:37.523,437] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:37.624,267] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:37.725,097] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:37.876,373] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:37.977,325] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:38.078,247] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:38.232,818] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:38.333,862] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:38.516,296] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:38.617,279] <wrn> net_conn: pkt cloning failed, pkt 0x200350a8 dropped
[00:00:39.524,139] <wrn> net_conn: pkt cloning failed, pkt 0x20035628 dropped
[00:00:39.797,454] <wrn> net_conn: pkt cloning failed, pkt 0x20034fa8 dropped
[00:00:40.166,137] <wrn> net_conn: pkt cloning failed, pkt 0x20034da8 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 88
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 70
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 89
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 56
[00:01:13.064,331] <wrn> net_conn: pkt cloning failed, pkt 0x200356a8 dropped
[00:01:13.253,295] <wrn> net_conn: pkt cloning failed, pkt 0x200356a8 dropped
[00:01:13.687,469] <wrn> net_conn: pkt cloning failed, pkt 0x200356a8 dropped
[00:01:13.788,299] <wrn> net_conn: pkt cloning failed, pkt 0x200356a8 dropped
[00:01:13.981,262] <wrn> net_conn: pkt cloning failed, pkt 0x200352e8 dropped
[00:01:14.082,214] <wrn> net_conn: pkt cloning failed, pkt 0x200352e8 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 70
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 70
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 88
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 72
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 72
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
RRC mode: Idle
[00:01:34.147,033] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:34.382,202] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:34.483,123] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:34.668,914] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:34.769,744] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:34.870,666] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:34.971,588] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:35.072,509] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 84
[00:01:35.329,162] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:35.430,236] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:35.531,311] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:35.677,398] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:35.778,472] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:35.879,394] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:35.980,224] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:36.081,054] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:36.182,189] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:36.283,325] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 84
[00:01:36.384,490] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:36.485,748] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:36.686,401] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:36.787,231] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:36.888,061] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:36.988,891] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:37.089,721] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:37.190,643] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:37.291,564] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 84
LTE cell changed: ID: 236317010 (0x0E15E952), PCI 137, Tracking area: 9123 (0x23A3), Band: 5, RSRP: 39 (-101dBm), SNR: 19 (-5dB)
[00:01:37.392,608] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:37.493,743] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:37.695,739] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:37.796,783] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:37.897,613] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:37.998,443] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:38.099,365] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:38.200,286] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:38.301,208] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:01:38.402,130] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:38.503,143] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:38.704,467] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:38.805,389] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:38.906,219] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:39.007,049] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:39.107,971] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:39.209,014] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:39.289,855] <wrn> net_ppp: 672 written to RX buf, but after that only 928 space left. Disabling RX for now.
[00:01:39.310,119] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:01:39.411,193] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:39.490,081] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:39.512,145] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:39.690,185] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:39.713,775] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:39.814,697] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:39.890,289] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:39.915,618] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:40.016,448] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:40.090,393] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:01:40.117,279] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:40.218,170] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:40.290,527] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:40.319,000] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:40.420,104] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:40.490,631] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:40.520,935] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:40.621,795] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:40.690,734] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:40.723,907] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:40.824,981] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:40.890,838] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:40.926,025] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:41.027,008] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:41.090,942] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:41.128,051] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:41.228,973] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:41.291,046] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:41.329,895] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:41.430,816] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:01:41.491,149] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:41.531,768] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:41.691,284] <err> net_ppp: Rx buffer still doesn't have enough room 928 to be re-enabled
[00:01:41.732,391] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:41.833,404] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:41.891,418] <wrn> net_ppp: UART RX recovered
[00:01:41.934,326] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:41.954,803] <wrn> net_ppp: 4096 written to RX buf, but after that only 928 space left. Disabling RX for now.
[00:01:42.035,339] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:42.136,352] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:01:42.155,029] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:42.237,396] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:42.338,500] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:42.355,163] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:42.439,575] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:42.540,588] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:42.555,267] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:42.741,119] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:42.755,371] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:42.842,071] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:42.943,237] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:42.955,474] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:43.044,464] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:43.145,294] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:43.155,578] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:43.246,124] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:43.346,954] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:43.355,682] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:43.447,784] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:43.548,706] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:01:43.555,786] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:43.649,597] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:43.755,920] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:43.770,477] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:43.871,520] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:43.956,024] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:43.972,595] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:44.073,425] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:44.156,127] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:44.174,255] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 84
[00:01:44.275,177] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:44.356,231] <err> net_ppp: Rx buffer still doesn't have enough room 904 to be re-enabled
[00:01:44.376,129] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:44.477,050] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:44.556,335] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:44.577,972] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:44.756,439] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:44.779,266] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:44.880,096] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:44.956,542] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:44.981,018] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:45.082,153] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:45.156,677] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:45.183,227] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:45.284,149] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:45.356,811] <wrn> net_ppp: UART RX recovered
[00:01:45.385,070] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:45.420,104] <wrn> net_ppp: 4096 written to RX buf, but after that only 904 space left. Disabling RX for now.
[00:01:45.485,992] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:45.586,914] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 85
[00:01:45.620,330] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:45.687,805] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:45.806,701] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:45.820,465] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:45.907,836] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:46.008,972] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:46.020,568] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:46.110,107] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:46.211,242] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:46.220,672] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 85
[00:01:46.312,164] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:46.413,116] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:46.420,806] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:46.513,946] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:46.614,776] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:46.620,910] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:46.816,040] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:46.821,014] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:46.917,114] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:47.018,188] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:47.021,118] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:47.119,293] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:47.220,336] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:47.221,252] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:47.321,258] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:47.421,356] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:47.422,180] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:47.523,223] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:47.621,459] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:47.624,053] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 76
[00:01:47.724,945] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:47.821,563] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:47.847,290] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:47.948,333] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:48.021,667] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:48.049,255] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:48.150,207] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:48.221,771] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:48.251,159] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:48.352,081] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 76
[00:01:48.421,875] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:48.453,033] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:48.553,955] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:48.622,009] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:48.654,876] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:48.822,113] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:48.856,781] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:48.957,702] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:49.022,216] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:49.058,624] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:01:49.159,515] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:49.222,320] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:49.260,620] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:49.361,541] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:49.422,424] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:49.462,463] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:49.563,385] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:49.622,528] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:49.664,306] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:49.822,631] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:49.865,722] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:49.966,766] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:50.022,766] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:50.067,749] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:50.168,670] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:50.222,869] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:50.269,592] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:50.370,513] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:50.422,973] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:50.471,435] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 79
[00:01:50.572,387] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:50.623,077] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:50.673,370] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:50.823,181] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:50.874,786] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:50.975,799] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:51.023,284] <err> net_ppp: Rx buffer still doesn't have enough room 4072 to be re-enabled
[00:01:51.076,812] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:51.177,825] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:51.223,419] <wrn> net_ppp: UART RX recovered
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:01:51.350,341] <wrn> net_ppp: 4096 written to RX buf, but after that only 0 space left. Disabling RX for now.
[00:01:51.350,402] <wrn> net_ppp: Rx buffer doesn't have enough space. Bytes pending: 24, written only: 0. Disabling RX for now.
[00:01:51.389,160] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:51.490,173] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:51.550,567] <err> net_ppp: Rx buffer still doesn't have enough room 0 to be re-enabled
[00:01:51.591,217] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:51.692,169] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:51.750,671] <err> net_ppp: Rx buffer still doesn't have enough room 0 to be re-enabled
[00:01:51.884,063] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:51.950,775] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:51.985,229] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:52.086,303] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:52.150,909] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:52.187,347] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:52.288,391] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:52.351,013] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:52.389,312] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:52.490,234] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:52.551,116] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:52.591,339] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 68
[00:01:52.692,260] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:52.751,220] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:52.893,096] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:52.951,324] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:52.994,018] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:53.094,940] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:53.151,428] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:53.195,861] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:53.296,783] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:53.351,531] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 68
[00:01:53.397,705] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:53.498,657] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:53.551,666] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:53.599,578] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:53.700,653] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:53.751,770] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:53.902,282] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:53.951,873] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:54.003,204] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:54.104,125] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:54.151,977] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:54.205,047] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:54.305,999] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:54.352,111] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:54.406,921] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:54.507,843] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:54.552,215] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:54.608,917] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:54.709,991] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:54.752,319] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 68
[00:01:54.811,065] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:54.952,453] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:54.975,402] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:55.076,324] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:55.152,557] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:55.177,368] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:55.278,411] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:55.352,661] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:55.379,455] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:55.480,499] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 81
[00:01:55.552,764] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:55.581,573] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:55.682,647] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:55.752,899] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:55.783,569] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:55.953,002] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:55.984,008] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:56.084,960] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:56.153,106] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:56.185,913] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 81
[00:01:56.286,865] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:56.353,210] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:56.387,817] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:56.488,739] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:56.553,314] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:56.589,782] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:56.690,826] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:56.753,417] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:56.791,748] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:56.953,521] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:56.993,377] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:57.094,329] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:57.153,656] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:57.195,251] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:57.296,356] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:57.353,759] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:57.397,277] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:57.498,260] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:57.553,863] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:57.599,243] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 70
[00:01:57.700,164] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:57.753,967] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:57.801,239] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:57.954,101] <wrn> net_ppp: UART RX recovered
[00:01:58.080,047] <wrn> net_ppp: 4096 written to RX buf, but after that only 0 space left. Disabling RX for now.
[00:01:58.080,139] <wrn> net_ppp: Rx buffer doesn't have enough space. Bytes pending: 24, written only: 0. Disabling RX for now.
[00:01:58.118,530] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:58.219,543] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:58.280,273] <err> net_ppp: Rx buffer still doesn't have enough room 0 to be re-enabled
[00:01:58.320,556] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 70
[00:01:58.421,661] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:58.480,377] <err> net_ppp: Rx buffer still doesn't have enough room 0 to be re-enabled
[00:01:58.522,766] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:58.623,809] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:58.680,480] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:58.724,853] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:58.825,866] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:58.880,584] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:59.011,199] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:59.080,688] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:59.112,121] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:59.213,073] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:59.280,822] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:59.314,178] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:59.415,100] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:59.480,926] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:59.516,021] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:59.616,943] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:59.681,030] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:01:59.717,864] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 81
[00:01:59.818,786] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:01:59.881,134] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:00.020,080] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:00.081,237] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:00.121,154] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:00.222,229] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:00.281,341] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:00.323,303] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:00.424,316] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:00.481,445] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 81
[00:02:00.525,329] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:00.626,281] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:00.681,579] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:00.727,203] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:00.828,125] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:00.881,683] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:01.029,174] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:01.081,787] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:01.130,126] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:01.231,048] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:01.281,890] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:01.331,970] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:01.432,922] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:01.482,025] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:01.533,843] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:01.634,857] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:01.682,128] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:01.735,900] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:01.836,944] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:01.882,232] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 81
[00:02:01.937,988] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:02.082,366] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:02.105,285] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:02.206,329] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:02.282,470] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:02.307,373] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:02.408,294] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:02.482,574] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:02.509,216] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:02.610,137] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 87
[00:02:02.682,708] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:02.711,059] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:02.812,011] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:02.882,843] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:02.912,994] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:03.082,946] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:03.114,593] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:03.215,606] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:03.283,050] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:03.316,680] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 87
[00:02:03.417,694] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:03.483,154] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:03.518,798] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:03.619,812] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:03.683,258] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:03.720,825] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:03.821,838] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:03.883,361] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:03.923,004] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:04.083,465] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:04.123,687] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:04.224,639] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:04.283,599] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:04.325,561] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:04.426,483] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:04.483,703] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:04.527,587] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:04.683,837] <wrn> net_ppp: UART RX recovered
[00:02:04.810,363] <wrn> net_ppp: 4096 written to RX buf, but after that only 0 space left. Disabling RX for now.
[00:02:04.810,455] <wrn> net_ppp: Rx buffer doesn't have enough space. Bytes pending: 24, written only: 0. Disabling RX for now.
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 82
[00:02:04.848,327] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:04.949,371] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:05.010,620] <err> net_ppp: Rx buffer still doesn't have enough room 0 to be re-enabled
[00:02:05.132,781] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:05.210,723] <err> net_ppp: Rx buffer still doesn't have enough room 0 to be re-enabled
[00:02:05.233,703] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:05.334,625] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:05.410,827] <err> net_ppp: Rx buffer still doesn't have enough room 0 to be re-enabled
[00:02:05.435,729] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:05.536,804] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 82
[00:02:05.610,931] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:05.637,908] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:05.739,013] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:05.811,035] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:05.839,965] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:05.940,979] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:06.011,138] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:06.141,998] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:06.211,242] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:06.242,919] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:06.343,841] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:06.411,346] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:06.444,793] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:06.545,715] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:06.611,450] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:06.646,636] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:06.747,619] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:06.811,553] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:06.848,602] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:06.949,615] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 72
[00:02:07.011,657] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:07.050,659] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:07.171,905] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:07.211,791] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:07.273,071] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:07.374,237] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:07.411,895] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:07.475,250] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:07.576,171] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:07.611,999] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 102
[00:02:07.677,093] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:07.778,198] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:07.812,133] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:07.879,241] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:07.980,285] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:08.012,237] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:08.181,060] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:08.212,341] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:08.282,104] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:08.383,026] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:08.412,445] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:08.483,947] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:08.585,083] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:08.612,579] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:08.686,126] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:08.787,170] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:08.812,683] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:08.888,092] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:08.989,013] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:09.012,786] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 102
[00:02:09.089,843] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:09.212,921] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:09.235,565] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:09.336,486] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:09.413,024] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:09.437,316] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:09.538,238] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:09.613,128] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:09.639,068] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:09.740,203] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 72
[00:02:09.813,232] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:09.841,339] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:09.942,291] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:10.013,366] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:10.043,121] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:10.213,470] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:10.244,812] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:10.345,916] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:10.413,574] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:10.446,990] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 56
[00:02:10.548,065] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:10.613,677] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:10.648,956] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:10.749,786] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:10.813,781] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:10.850,708] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:10.951,782] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:11.013,885] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
[00:02:11.052,612] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:11.213,989] <err> net_ppp: Rx buffer still doesn't have enough room 880 to be re-enabled
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 56
[00:02:11.253,997] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:11.354,980] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:11.414,154] <wrn> net_ppp: UART RX recovered
[00:02:11.655,120] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:11.755,950] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:11.856,994] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:11.957,824] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:12.058,776] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:12.159,729] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:02:12.262,847] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:12.363,739] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:12.464,782] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:12.565,765] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:12.666,778] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:12.767,791] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:12.868,804] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:12.969,879] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:13.070,953] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
Dial up (IPv4) connection down
Dial up (IPv6) connection down
PPP in dead phase
PPP: restarting...
PPP net if down
Closing PPP zephyr sckt
PPP carrier OFF
PPP carrier OFF
ppp_mdm_data_snd: send() failed to modem: (-11), ret -1, data len: 67
[00:02:13.271,759] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
[00:02:13.372,711] <wrn> net_conn: pkt cloning failed, pkt 0x20035728 dropped
Closing PPP modem sckt
PPP: stopped
PPP net if up
PPP Zephyr data socket 3 created
PPP carrier ON
modem data socket 4 created for modem data
PPP: started
PPP: restarting is DONE
[00:02:15.439,331] <err> net_ppp: uart_rx_enable() failed, err -16
PPP in dead phase
mosh:~$

linux pppd command and logs

CPU0614:~$ sudo pppd -detach /dev/ttyACM1 921600 noauth crtscts noccp novj nodeflate nobsdcomp local debug +ipv6 ipv6cp-use-ipaddr usepeerdns noipdefault defaultroute ipv6cp-restart 5 ipcp-restart 5 lcp-echo-interval 0
using channel 105
Using interface ppp0
Connect: ppp0 <--> /dev/ttyACM1
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x755f887c> <pcomp> <accomp>]
rcvd [LCP ConfRej id=0x1 <asyncmap 0x0> <magic 0x755f887c> <pcomp> <accomp>]
sent [LCP ConfReq id=0x2]
rcvd [LCP ConfAck id=0x2]
sent [LCP ConfReq id=0x2]
rcvd [LCP ConfAck id=0x2]
rcvd [LCP ConfReq id=0x1 <mru 1500>]
sent [LCP ConfAck id=0x1 <mru 1500>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
sent [IPV6CP ConfReq id=0x1 <addr fe80::f1f0:7f6d:cfad:3ba8>]
rcvd [IPV6CP ConfAck id=0x1 <addr fe80::f1f0:7f6d:cfad:3ba8>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
sent [IPV6CP ConfReq id=0x1 <addr fe80::f1f0:7f6d:cfad:3ba8>]
rcvd [IPCP ConfReq id=0x1 <addr 10.65.146.165> <ms-dns1 8.8.8.8> <ms-dns2 8.8.4.4>]
sent [IPCP ConfRej id=0x1 <ms-dns1 8.8.8.8> <ms-dns2 8.8.4.4>]
rcvd [IPV6CP ConfReq id=0x1 <addr fe80::0000:5eff:fe00:539f>]
sent [IPV6CP ConfAck id=0x1 <addr fe80::0000:5eff:fe00:539f>]
rcvd [IPCP ConfReq id=0x2 <addr 10.65.146.165>]
sent [IPCP ConfAck id=0x2 <addr 10.65.146.165>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
sent [IPV6CP ConfReq id=0x1 <addr fe80::f1f0:7f6d:cfad:3ba8>]
rcvd [IPV6CP ConfAck id=0x1 <addr fe80::f1f0:7f6d:cfad:3ba8>]
local  LL address fe80::f1f0:7f6d:cfad:3ba8
remote LL address fe80::0000:5eff:fe00:539f
Script /etc/ppp/ipv6-up started (pid 504391)
Script /etc/ppp/ipv6-up finished (pid 504391), status = 0x0
rcvd [IPCP ConfReq id=0x2 <addr 10.65.146.165>]
sent [IPCP ConfAck id=0x2 <addr 10.65.146.165>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
rcvd [IPV6CP ConfReq id=0x2 <addr fe80::0000:5eff:fe00:539f>]
Script /etc/ppp/ipv6-down started (pid 504405)
sent [IPV6CP ConfReq id=0x2 <addr fe80::7597:4b7d:572c:bccb>]
sent [IPV6CP ConfAck id=0x2 <addr fe80::0000:5eff:fe00:539f>]
rcvd [IPCP ConfNak id=0x1 <addr 10.65.146.165> <ms-dns1 8.8.8.8> <ms-dns2 8.8.4.4>]
sent [IPCP ConfReq id=0x2 <addr 10.65.146.165> <ms-dns1 8.8.8.8> <ms-dns2 8.8.4.4>]
Script /etc/ppp/ipv6-down finished (pid 504405), status = 0x0
rcvd [IPCP ConfReq id=0x2 <addr 10.65.146.165>]
sent [IPCP ConfAck id=0x2 <addr 10.65.146.165>]
rcvd [IPCP ConfAck id=0x2 <addr 10.65.146.165> <ms-dns1 8.8.8.8> <ms-dns2 8.8.4.4>]
local  IP address 10.65.146.165
remote IP address 10.65.146.165
primary   DNS address 8.8.8.8
secondary DNS address 8.8.4.4
Script /etc/ppp/ip-up started (pid 504409)
Script /etc/ppp/ip-up finished (pid 504409), status = 0x0
sent [IPV6CP ConfReq id=0x2 <addr fe80::7597:4b7d:572c:bccb>]
rcvd [IPV6CP ConfAck id=0x2 <addr fe80::7597:4b7d:572c:bccb>]
local  LL address fe80::7597:4b7d:572c:bccb
remote LL address fe80::0000:5eff:fe00:539f
Script /etc/ppp/ipv6-up started (pid 504445)
Script /etc/ppp/ipv6-up finished (pid 504445), status = 0x0
rcvd [IPV6CP ConfReq id=0x3 <addr fe80::0000:5eff:fe00:539f>]
Script /etc/ppp/ipv6-down started (pid 504454)
sent [IPV6CP ConfReq id=0x3 <addr fe80::e5d7:d929:f28b:4e8b>]
sent [IPV6CP ConfAck id=0x3 <addr fe80::0000:5eff:fe00:539f>]
Script /etc/ppp/ipv6-down finished (pid 504454), status = 0x0
rcvd [IPV6CP ConfAck id=0x3 <addr fe80::e5d7:d929:f28b:4e8b>]
local  LL address fe80::e5d7:d929:f28b:4e8b
remote LL address fe80::0000:5eff:fe00:539f
Script /etc/ppp/ipv6-up started (pid 504460)
Script /etc/ppp/ipv6-up finished (pid 504460), status = 0x0
^CTerminating on signal 2
Connect time 6.9 minutes.
Sent 356589 bytes, received 42 bytes.
Script /etc/ppp/ip-down started (pid 504829)
Script /etc/ppp/ipv6-down started (pid 504831)

ping command and linux machine ifconfig output

CPU0614:~$ ifconfig 
enp1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether 8c:ec:4b:ce:ac:db  txqueuelen 1000  (Ethernet)
        RX packets 6154589  bytes 6683586725 (6.6 GB)
        RX errors 0  dropped 4211  overruns 0  frame 0
        TX packets 3618578  bytes 901554255 (901.5 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 352307  bytes 118426100 (118.4 MB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 352307  bytes 118426100 (118.4 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ppp0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST>  mtu 1500
        inet 10.65.146.148  netmask 255.255.255.255  destination 10.65.146.148
        inet6 fe80::7044:fb61:47d8:5855  prefixlen 10  scopeid 0x20<link>
        ppp  txqueuelen 3  (Point-to-Point Protocol)
        RX packets 13  bytes 194 (194.0 B)
        RX errors 5  dropped 0  overruns 0  frame 0
        TX packets 70  bytes 5602 (5.6 KB)
        TX errors 0  dropped 2 overruns 0  carrier 0  collisions 0

CPU0614:~$ ping 8.8.8.8 -I ppp0
PING 8.8.8.8 (8.8.8.8) from 10.65.146.148 ppp0: 56(84) bytes of data.

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