m1@m1-desktop:~$/home/m1/NVOC/m1_2.1/nvOC restart
enabled
Stopping nvOC service..
Starting nvOC service..
● nvoc.service - nvOC Service
   Loaded: loaded (/etc/systemd/system/nvoc.service; enabled; vendor preset: enabled)
   Active: inactive (dead) (Result: exit-code) since Wed 2018-07-25 17:53:21 CEST; 733ms ago
  Process: 5744 ExecStart=/usr/bin/screen -c /home/m1/NVOC/m1_2.1/screenrc-main -dmSL main /bin/bash /home/m1/NVOC/m1_2.
 Main PID: 5746 (code=exited, status=1/FAILURE)

Jul 25 17:53:21 m1-desktop systemd[1]: nvoc.service: Unit entered failed state.
Jul 25 17:53:21 m1-desktop systemd[1]: nvoc.service: Failed with result 'exit-code'.
Jul 25 17:53:21 m1-desktop systemd[1]: nvoc.service: Service hold-off time over, scheduling restart.
Jul 25 17:53:21 m1-desktop systemd[1]: Stopped nvOC Service.
Jul 25 17:53:21 m1-desktop systemd[1]: nvoc.service: Start request repeated too quickly.
Jul 25 17:53:21 m1-desktop systemd[1]: Failed to start nvOC Service.