[  808.209943][T14749] netdevsim netdevsim320 eni320np1: renamed from eth0
[  808.245721][T14752] netdevsim netdevsim730 eni730np1: renamed from eth1
[  808.925217][T14737] Could not find device with ifindex 2000 in netnsfd 11
[  808.925789][T14737] Could not find netns with fd: 2000
[  808.926164][T14737] Cannot link a netdevsim to itself
[  808.926594][T14737] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).