[  700.534130][T13038] netdevsim netdevsim502 eni502np1: renamed from eth0
[  700.549317][T13040] netdevsim netdevsim603 eni603np1: renamed from eth1
[  701.169177][T13025] Could not find device with ifindex 2000 in netnsfd 11
[  701.173535][T13025] Could not find netns with fd: 2000
[  701.175616][T13025] Cannot link a netdevsim to itself
[  701.176246][T13025] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).