error_msg

connect-lxc Connecting to device using 'lxc-attach -n lxc-mgu-test'
end: 2.3 connect-lxc (duration 00:00:01) [tlxc]
start: 2.4 expect-shell-connection (timeout 00:04:59) [tlxc]
Forcing a shell prompt, looking for ['root@(.*):/#']

expect-shell-connection: Wait for prompt ['root@(.*):/#'] (timeout 00:05:00)
Waiting using forced prompt support. 149.97240364551544s timeout
root@lab-slave-0:/#
end: 2.4 expect-shell-connection (duration 00:00:00) [tlxc]
start: 2.5 export-device-env (timeout 00:04:59) [tlxc]
end: 2.5 export-device-env (duration 00:00:00) [tlxc]
end: 2 lxc-boot (duration 00:00:01) [tlxc]
start: 3 fastboot-deploy (timeout 00:30:00) [target]
Making protocol call for fastboot-deploy using lava-lxc
[fastboot-deploy] Checking protocol data for lava-lxc
[lava-lxc] Running pre-power-command via protocol.
No pre power command is defined for this device.
end: 3 fastboot-deploy (duration 00:00:00) [target]
result: fail
definition: lava
duration: 0.00
case: fastboot-deploy
level: 3
namespace: target
extra: ...