[  751.232502][T14558] netdevsim netdevsim297 eni297np1: renamed from eth0
[  751.245813][T14560] netdevsim netdevsim703 eni703np1: renamed from eth1
[  751.787292][T14546] Could not find device with ifindex 2000 in netnsfd 11
[  751.787800][T14546] Could not find netns with fd: 2000
[  751.792902][T14546] Cannot link a netdevsim to itself
[  751.793307][T14546] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).