*** Booting Zephyr OS build v2.3.0-rc1-ncs1  ***                                                                       |  Cannot open /dev/ttyACM0!  |
[00:00:00.003,143] <inf> mcuboot: Starting bootloader                                                                  |                             |
[00:00:00.009,582] <inf> mcuboot: Primary image: magic=good, swap_type=0x2, copy_done=0x1, image_ok=0x1                +-----------------------------+
[00:00:00.019,805] <inf> mcuboot: Boot source: none
[00:00:00.025,421] <inf> mcuboot: Swap type: none
[00:00:00.294,281] <inf> mcuboot: Bootloader chainload address offset: 0xc000
[00:00:00.302,124] <inf> mcuboot: Jumping to the first image slot
*** Booting Zephyr OS build v2.3.0-rc1-ncs1  ***


[00:00:30.927,429] <inf> smp_bt_sample: Connected
[00:00:47.563,385] <inf> mcumgr_flash_mgmt: Erased 0x2d000 bytes of image slot
[00:00:47.739,257] <inf> mcumgr_flash_mgmt: Erased 0x1000 bytes of image slot trailer
uart:~$ *** Booting Zephyr OS build v2.3.0-rc1-ncs1  ***
[00:00:00.003,204] <inf> mcuboot: Starting bootloader
[00:00:00.009,643] <inf> mcuboot: Primary image: magic=good, swap_type=0x2, copy_done=0x1, image_ok=0x1
[00:00:00.019,836] <inf> mcuboot: Boot source: none
[00:00:00.025,451] <inf> mcuboot: Swap type: test
[00:00:17.743,133] <inf> mcuboot: Bootloader chainload address offset: 0xc000
[00:00:17.750,946] <inf> mcuboot: Jumping to the first image slot
*** Booting Zephyr OS build v2.3.0-rc1-ncs1  ***


[00:00:17.692,169] <inf> smp_bt_sample: Connected
[00:03:16.260,620] <wrn> bt_att: Unhandled ATT code 0x1d
[00:03:17.310,913] <inf> smp_bt_sample: Disconnected (reason 0x13)
[00:03:17.311,889] <inf> smp_bt_sample: Advertising successfully started
uart:~$