network: Properly catch ENOENT
network: Properly catch ENOENT

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

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