what is err=-5?
$ vzctl start 104
Starting VE ...
VE is mounted
VE start failed
VE is unmounted
$ dmesg
IMQ: Error trying imq_init_devs(net)
CT: 104: stopped
CT: 104: failed to start with err=-5
/var/log/vzctl.log:
2008-03-05T12:41:22+0100 vzctl : VE 104 : Starting VE ...
2008-03-05T12:41:22+0100 vzctl : VE 104 : Running: /usr/sbin/vzquota show 104
2008-03-05T12:41:22+0100 vzctl : VE 104 : Running: /usr/sbin/vzquota on 104 -r 0 -b 1048676 -B 1153124 -i 200100 -I 220100 -e 0 -n 0 -s 0
2008-03-05T12:41:22+0100 vzctl : VE 104 : Mounting root: /vz/root/104 /vz/private/104
2008-03-05T12:41:22+0100 vzctl : VE 104 : VE is mounted
2008-03-05T12:41:22+0100 vzctl : VE 104 : Set iptables mask 0x000017bf
2008-03-05T11:41:22+0000 vzctl : VE 104 : Set features mask 0000000000000000/0000000000000000
2008-03-05T12:41:23+0100 vzctl : VE 104 : VE start failed
2008-03-05T12:41:23+0100 vzctl : VE 104 : Running: /usr/sbin/vzquota stat 104 -f
2008-03-05T12:41:23+0100 vzctl : VE 104 : Running: vzquota setlimit 104 -b 1048576 -B 1153024 -i 200000 -I 220000 -e 0 -n 0
2008-03-05T12:41:23+0100 vzctl : VE 104 : Running: /usr/sbin/vzquota stat 104 -f
2008-03-05T12:41:23+0100 vzctl : VE 104 : Running: /usr/sbin/vzquota off 104
2008-03-05T12:41:23+0100 vzctl : VE 104 : VE is unmounted