[ 1235.902506][T12884] netdevsim netdevsim691 eni691np1: renamed from eth1
[ 1235.982818][T12886] netdevsim netdevsim438 eni438np1: renamed from eth0
[ 1238.620917][T12874] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.622096][T12874] Could not find netns with fd: 2000
[ 1238.623011][T12874] Cannot link a netdevsim to itself
[ 1238.624422][T12874] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).