[  756.529273][T14638] netdevsim netdevsim389 eni389np1: renamed from eth0
[  756.537217][T14640] netdevsim netdevsim756 eni756np1: renamed from eth1
[  757.094946][T14626] Could not find device with ifindex 2000 in netnsfd 11
[  757.095443][T14626] Could not find netns with fd: 2000
[  757.095804][T14626] Cannot link a netdevsim to itself
[  757.096208][T14626] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).