[ 1207.949170][T12777] netdevsim netdevsim422 eni422np1: renamed from eth0
[ 1208.068979][T12774] netdevsim netdevsim541 eni541np1: renamed from eth1
[ 1210.529372][T12770] Could not find device with ifindex 2000 in netnsfd 11
[ 1210.530473][T12770] Could not find netns with fd: 2000
[ 1210.531364][T12770] Cannot link a netdevsim to itself
[ 1210.532840][T12770] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).