[ 1055.360434][T12886] netdevsim netdevsim638 eni638np1: renamed from eth1
[ 1055.454782][T12889] netdevsim netdevsim290 eni290np1: renamed from eth0
[ 1057.163691][T12881] Could not find device with ifindex 2000 in netnsfd 11
[ 1057.164587][T12881] Could not find netns with fd: 2000
[ 1057.165236][T12881] Cannot link a netdevsim to itself
[ 1057.165976][T12881] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).