[ 1316.334053][T13031] netdevsim netdevsim668 eni668np1: renamed from eth1
[ 1316.451175][T13032] netdevsim netdevsim450 eni450np1: renamed from eth0
[ 1319.018404][T13020] Could not find device with ifindex 2000 in netnsfd 11
[ 1319.020126][T13020] Could not find netns with fd: 2000
[ 1319.021995][T13020] Cannot link a netdevsim to itself
[ 1319.024161][T13020] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).