Docker CLI returns: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
$USER was added to docker group.
$systemctl status docker returns:
● docker.service - Docker Application Container Engine Loaded: loaded (/etc/systemd/system/docker.service; enabled; vendor preset: enabled) Active: failed (Result: start-limit-hit) since wo 2019-05-08 12:44:07 CEST; 36min ago Docs: https://docs.docker.com Main PID: 10460 (code=exited, status=1/FAILURE)
$journal -u docker returned:
Caused by Error starting daemon: Error initializing network controller