It seems to be related to #917374Workaround from https://github.com/systemd/systemd/issues/10921#issuecomment-450009082 fixed the issue for me:
# echo >/etc/security/limits.d/systemd.conf "* hard nofile 1048576" and reboot -- Peter Habčák
It seems to be related to #917374Workaround from https://github.com/systemd/systemd/issues/10921#issuecomment-450009082 fixed the issue for me:
# echo >/etc/security/limits.d/systemd.conf "* hard nofile 1048576" and reboot -- Peter Habčák