https://github.com/mviereck/x11docker/blob/e22c320b8b986056944985d29da48486ff73ead3/x11docker#L12578 * Attempts to save pid of socat. * Problem: if `[ -z "$Newdisplay" ] `, we did not even try to start socat
x11docker/x11docker
Line 12578 in e22c320
[ -z "$Newdisplay" ], we did not even try to start socat