++ systemctl start snapd.service snapd.socket
Job for snapd.service failed because the control process exited with error code. See "systemctl status snapd.service" and "journalctl -xe" for details.
+ '[' '!' ']'
+ echo 'Failed to start snapd.service snapd.socket'
Failed to start snapd.service snapd.socket
+ systemctl status snapd.service
● snapd.service - Snappy daemon
   Loaded: loaded (/lib/systemd/system/snapd.service; enabled; vendor preset: enabled)
  Drop-In: /etc/systemd/system/snapd.service.d
           └─local.conf
   Active: activating (auto-restart) (Result: exit-code) since Thu 2017-06-08 16:27:11 UTC; 4ms ago
  Process: 2774 ExecStart=/usr/lib/snapd/snapd (code=exited, status=1/FAILURE)
 Main PID: 2774 (code=exited, status=1/FAILURE)