Failure to unload the apparmor profile isn't fatal
Failure to unload the apparmor profile isn't fatal

If it was unloaded already somehow, then that's fine, if it can't be
unloaded, then keep it loaded and we'll just replace it on next startup.

Closes #1834

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

chrisglass/lxd,Skarlso/lxd,lxc/lxd,hallyn/lxd,georghopp/lxd,lxc/lxd,stgraber/lxd,lxc/lxd,techtonik/lxd,stgraber/lxd,Skarlso/lxd,lxc/lxd,lxc/lxd,ollie314/lxd,chrisglass/lxd,hallyn/lxd,pcdummy/lxd,lxc/lxd,pcdummy/lxd,stgraber/lxd,pcdummy/lxd,chrisglass/lxd,ollie314/lxd,stgraber/lxd,akshaykarle/lxd,akshaykarle/lxd,hallyn/lxd,stgraber/lxd,atxwebs/lxd,techtonik/lxd,hallyn/lxd,jsavikko/lxd,Skarlso/lxd,atxwebs/lxd,erikmack/lxd,mjeanson/lxd,techtonik/lxd,jsavikko/lxd,akshaykarle/lxd,lxc/lxd,georghopp/lxd,ollie314/lxd,erikmack/lxd,stgraber/lxd,atxwebs/lxd,hallyn/lxd,jsavikko/lxd,hallyn/lxd,Skarlso/lxd,atxwebs/lxd,mjeanson/lxd,georghopp/lxd,stgraber/lxd,erikmack/lxd,mjeanson/lxd