ubuntu 6

Hello. I was converted openvz(Proxmox VE 1.9) with ubuntu 6.06 and ubuntu 10.04 servers to lxc(Proxmox VE 6.2-4). If I press shutdown, I get this error can't lock file '/run/lock/lxc/pve-config-107.lock' - got timeout (500) command 'lxc-stop -n 107 --nokill --timeout 60' failed: exit code 1...