[  819.906346][T15645] netdevsim netdevsim258 eni258np1: renamed from eth0
[  819.914519][T15646] netdevsim netdevsim562 eni562np1: renamed from eth1
[  820.526208][T15632] Could not find device with ifindex 2000 in netnsfd 11
[  820.527002][T15632] Could not find netns with fd: 2000
[  820.531804][T15632] Cannot link a netdevsim to itself
[  820.532326][T15632] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).