[  796.083879][T15661] netdevsim netdevsim453 eni453np1: renamed from eth0
[  796.093334][T15660] netdevsim netdevsim630 eni630np1: renamed from eth1
[  796.698271][T15649] Could not find device with ifindex 2000 in netnsfd 11
[  796.699146][T15649] Could not find netns with fd: 2000
[  796.699701][T15649] Cannot link a netdevsim to itself
[  796.700219][T15649] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).