Hi, sorry for the follow-up in such a short time but probably just stumbled over a possible reason for this issue:
On Fri, 21 Jul 2017 11:56:12 +0200 Marco Gaiarin <g...@sv.lnf.it> wrote: > Jul 21 10:09:14 vglpi systemd[24929]: phpsessionclean.service: Failed at > step NETWORK spawning /usr/lib/php/sessionclean: Permission denied The /lib/systemd/system/phpsessionclean.service has the following entry: PrivateNetwork=true which is most likely causing the message quoted above on unprivileged containers.