[  818.775497][T14791] netdevsim netdevsim306 eni306np1: renamed from eth0
[  818.806662][T14794] netdevsim netdevsim645 eni645np1: renamed from eth1
[  819.467158][T14779] Could not find device with ifindex 2000 in netnsfd 11
[  819.468096][T14779] Could not find netns with fd: 2000
[  819.468598][T14779] Cannot link a netdevsim to itself
[  819.469142][T14779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).