[  753.023393][T14713] netdevsim netdevsim333 eni333np1: renamed from eth0
[  753.039104][T14715] netdevsim netdevsim518 eni518np1: renamed from eth1
[  753.590927][T14701] Could not find device with ifindex 2000 in netnsfd 11
[  753.591498][T14701] Could not find netns with fd: 2000
[  753.591876][T14701] Cannot link a netdevsim to itself
[  753.592317][T14701] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).