[ 1175.770383][T12672] netdevsim netdevsim420 eni420np1: renamed from eth0
[ 1175.940702][T12671] netdevsim netdevsim514 eni514np1: renamed from eth1
[ 1178.406973][T12667] Could not find device with ifindex 2000 in netnsfd 11
[ 1178.408085][T12667] Could not find netns with fd: 2000
[ 1178.408923][T12667] Cannot link a netdevsim to itself
[ 1178.409938][T12667] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).