Created a single host network(ps-bridge):
$ docker network ls
NETWORK ID NAME DRIVER SCOPE
01dcce0fbdcf bridge(docker0) bridge local
c0dfc20840be host host local
537f11442dfd none ...
@Ungeheuer Ok. Anyway, you should take a moment to make sure your X installation is ok, though I don't know why it shouldn't be. And if you can't figure out why X isn't writing logs, that would make a reasonable question.