Error: command ['systemctl', 'status', '--full', 'snappy-autopilot.service'] failed with exit code 3: ● snappy-autopilot.service - Ubuntu Core Snappy AutoUpdate Loaded: loaded (/lib/systemd/system/snappy-autopilot.service; static; vendor preset: enabled) Active: failed (Result: exit-code) since Fri 2016-04-15 02:54:11 SGT; 7h left Process: 992 ExecStart=/usr/bin/snap refresh (code=exited, status=1/FAILURE) Main PID: 992 (code=exited, status=1/FAILURE) Apr 15 02:54:10 ThinkPad-T440 systemd[1]: Started Ubuntu Core Snappy AutoUpdate. Apr 15 02:54:11 ThinkPad-T440 snap[992]: error: the required argument `` was not provided Apr 15 02:54:11 ThinkPad-T440 systemd[1]: snappy-autopilot.service: Main process exited, code=exited, status=1/FAILURE Apr 15 02:54:11 ThinkPad-T440 systemd[1]: snappy-autopilot.service: Unit entered failed state. Apr 15 02:54:11 ThinkPad-T440 systemd[1]: snappy-autopilot.service: Failed with result 'exit-code'.