[  814.393856][T15686] netdevsim netdevsim584 eni584np1: renamed from eth1
[  814.398148][T15687] netdevsim netdevsim503 eni503np1: renamed from eth0
[  815.031705][T15673] Could not find device with ifindex 2000 in netnsfd 11
[  815.032389][T15673] Could not find netns with fd: 2000
[  815.032865][T15673] Cannot link a netdevsim to itself
[  815.033386][T15673] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).