[ 1014.701513][T12129] netdevsim netdevsim514 eni514np1: renamed from eth1
[ 1014.800446][T12128] netdevsim netdevsim381 eni381np1: renamed from eth0
[ 1016.741740][T12452] Could not find device with ifindex 2000 in netnsfd 11
[ 1016.742827][T12452] Could not find netns with fd: 2000
[ 1016.743728][T12452] Cannot link a netdevsim to itself
[ 1016.744629][T12452] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).