On 4/20/17 6:58 AM, Robert Shearman wrote: > David reported that doing the following: > > ip li add red type vrf table 10 > ip link set dev eth1 vrf red > ip addr add 127.0.0.1/8 dev red > ip link set dev eth1 up > ip li set red up > ping -c1 -w1 -I red 127.0.0.1 > ip li del red > > results in a hang with this message: > > unregister_netdevice: waiting for red to become free. Usage count = 1
I think you misunderstood my comment. The above works fine today. There is no bug with refcnts. It breaks with your patches wanting to use a VRF device with the main table (254).
