On 05/29/2012 03:48 PM, Papp Tamas wrote: > hi All, > > > This doesn't work now: > > ioctl(3, SIOCGIFNAME, {ifr_index=0, ifr_name=???}) = -1 ENODEV (No such > device) > > > Is there any way to make it work? Yep, the index are not virtualized. So ifr_index=0 is for the loopback in the init network namespace.