[  853.913687][T15791] netdevsim netdevsim452 eni452np1: renamed from eth0
[  853.934772][T15794] netdevsim netdevsim598 eni598np1: renamed from eth1
[  854.660851][T15779] Could not find device with ifindex 2000 in netnsfd 11
[  854.662139][T15779] Could not find netns with fd: 2000
[  854.663206][T15779] Cannot link a netdevsim to itself
[  854.664137][T15779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).