Comment 0 for bug 1549363

After today's (Feb. 24, 2016) updates, unprivileged LXC's will no longer start. Attaching debug log as well.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: lxc 2.0.0~rc2-0ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-7.22-generic 4.4.2
Uname: Linux 4.4.0-7-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Feb 24 11:16:57 2016
InstallationDate: Installed on 2013-03-18 (1072 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
PackageArchitecture: all
SourcePackage: lxc
UpgradeStatus: Upgraded to xenial on 2015-10-28 (119 days ago)
modified.conffile..etc.apparmor.d.lxc.lxc.default.with.nesting: [modified]
modified.conffile..etc.default.lxc: [modified]
mtime.conffile..etc.apparmor.d.lxc.lxc.default.with.nesting: 2016-02-22T17:39:08
mtime.conffile..etc.default.lxc: 2016-02-22T17:39:08