Clarify uid/gid error
Clarify uid/gid error

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

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