This bug was fixed in the package ifupdown - 0.6.10ubuntu4
--------------- ifupdown (0.6.10ubuntu4) natty; urgency=low
* debian/ifupdown.network-interface{,-security}.upstart: handle race condition when loading AppArmor profiles for interfaces (LP: #689892). -- Kees Cook <email address hidden> Mon, 13 Dec 2010 13:53:12 -0800
This bug was fixed in the package ifupdown - 0.6.10ubuntu4
---------------
ifupdown (0.6.10ubuntu4) natty; urgency=low
* debian/ ifupdown. network- interface{ ,-security} .upstart: handle race
condition when loading AppArmor profiles for interfaces (LP: #689892).
-- Kees Cook <email address hidden> Mon, 13 Dec 2010 13:53:12 -0800