after upgrade

Hi Team, This morning I checked PVE, All VM grey with status "unknown" I don't know what happened. But All VM and and iscsi storage runing well,, Which part should I check first? thanks

Hi, The pct start failed after an upgrade as follows (only has pve-no-subscription repo enabled. # pct start 250 Job for lxc@250.service failed. See 'systemctl status lxc@250.service' and 'journalctl -xn' for details. command 'systemctl start lxc@250' failed: exit code 1 root@lhotse:~#...