Comment 4 for bug 1196295

Reproduced even with lxc-stop.

dmesg:

[178420.689704] unregister_netdevice: waiting for lo to become free. Usage count = 1
[178430.919783] unregister_netdevice: waiting for lo to become free. Usage count = 1
[178441.149854] unregister_netdevice: waiting for lo to become free. Usage count = 1
[178451.379920] unregister_netdevice: waiting for lo to become free. Usage count = 1

ps:

root 31536 0.0 0.0 25572 1276 ? D 06:35 0:00 lxc-start -n vm-106 -f /tmp/tmp.IsBlHPIMWw -l DEBUG -o /home/x/lxcdebug/vm-106.txt -- /usr/sbin/dropbear -F -E -m

lxcdebug/vm-106.txt:

      lxc-start 1372761341.653 WARN lxc_start - inherited fd 9
      lxc-start 1372761341.673 INFO lxc_apparmor - aa_enabled set to 1

      lxc-start 1372761341.674 DEBUG lxc_conf - allocated pty '/dev/pts/845' (5/6)
      lxc-start 1372761341.674 DEBUG lxc_conf - allocated pty '/dev/pts/846' (7/8)
      lxc-start 1372761341.674 DEBUG lxc_conf - allocated pty '/dev/pts/847' (10/11)
      lxc-start 1372761341.674 DEBUG lxc_conf - allocated pty '/dev/pts/848' (12/13)
      lxc-start 1372761341.674 DEBUG lxc_conf - allocated pty '/dev/pts/849' (14/15)
      lxc-start 1372761341.674 DEBUG lxc_conf - allocated pty '/dev/pts/850' (16/17)
      lxc-start 1372761341.674 DEBUG lxc_conf - allocated pty '/dev/pts/851' (18/19)
      lxc-start 1372761341.674 DEBUG lxc_conf - allocated pty '/dev/pts/852' (20/21)
      lxc-start 1372761341.674 INFO lxc_conf - tty's configured
      lxc-start 1372761341.674 DEBUG lxc_start - sigchild handler set
      lxc-start 1372761341.674 INFO lxc_start - 'vm-106' is initialized
      lxc-start 1372761341.675 DEBUG lxc_start - Not dropping cap_sys_boot or watching utmp

      lxc-start 1372761341.676 DEBUG lxc_conf - mac address of host interface 'vethfS0zzk' changed to private fe:d6:f6:ea:af:ba
      lxc-start 1372761341.676 DEBUG lxc_conf - instanciated veth 'vethfS0zzk/vethTtYxwJ', index is '23962'
      lxc-start 1372761341.676 INFO lxc_conf - opened /home/x/vm/vm-106.hold as fd 25
-----------------------------------------

cgroups are clean -- absolutely no vm-X folders under /sys/fs/cgroup/*/lxc/

lxc.network.type is now 'veth' as I've moved off of using 'phys', but the result is the same.

This happened after lxc-start / lxc-stop somewhere between 7k and 15k times. Similar number as reported last time this happened, which really suggests a leak of some sort.

I have the box in this state right now.

What other details could be helpful?