[ 1208.220515][T12778] netdevsim netdevsim397 eni397np1: renamed from eth0
[ 1208.239497][T12777] netdevsim netdevsim667 eni667np1: renamed from eth1
[ 1210.846794][T12770] Could not find device with ifindex 2000 in netnsfd 11
[ 1210.848391][T12770] Could not find netns with fd: 2000
[ 1210.849249][T12770] Cannot link a netdevsim to itself
[ 1210.850292][T12770] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).