[ 1235.439693][T11152] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1235.456662][T11153] netdevsim netdevsim502 eni502np1: renamed from eth0
[ 1238.744605][T11145] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.745417][T11145] Could not find netns with fd: 2000
[ 1238.746108][T11145] Cannot link a netdevsim to itself
[ 1238.747110][T11145] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).