[  866.719086][T15799] netdevsim netdevsim511 eni511np1: renamed from eth0
[  866.736191][T15802] netdevsim netdevsim562 eni562np1: renamed from eth1
[  867.358852][T15787] Could not find device with ifindex 2000 in netnsfd 11
[  867.359772][T15787] Could not find netns with fd: 2000
[  867.360260][T15787] Cannot link a netdevsim to itself
[  867.360700][T15787] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).