[  823.236302][T14792] netdevsim netdevsim347 eni347np1: renamed from eth0
[  823.252440][T14794] netdevsim netdevsim622 eni622np1: renamed from eth1
[  823.832599][T14780] Could not find device with ifindex 2000 in netnsfd 11
[  823.833662][T14780] Could not find netns with fd: 2000
[  823.834193][T14780] Cannot link a netdevsim to itself
[  823.834759][T14780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).