[  784.217144][T14777] netdevsim netdevsim484 eni484np1: renamed from eth0
[  784.225446][T14779] netdevsim netdevsim667 eni667np1: renamed from eth1
[  784.804609][T14765] Could not find device with ifindex 2000 in netnsfd 11
[  784.805141][T14765] Could not find netns with fd: 2000
[  784.805491][T14765] Cannot link a netdevsim to itself
[  784.805912][T14765] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).