[  761.104109][T14565] netdevsim netdevsim438 eni438np1: renamed from eth0
[  761.121773][T14567] netdevsim netdevsim670 eni670np1: renamed from eth1
[  761.654845][T14553] Could not find device with ifindex 2000 in netnsfd 11
[  761.655536][T14553] Could not find netns with fd: 2000
[  761.655890][T14553] Cannot link a netdevsim to itself
[  761.656312][T14553] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).