[  854.853176][T14616] netdevsim netdevsim271 eni271np1: renamed from eth0
[  854.880638][T14618] netdevsim netdevsim601 eni601np1: renamed from eth1
[  855.702068][T14604] Could not find device with ifindex 2000 in netnsfd 11
[  855.702989][T14604] Could not find netns with fd: 2000
[  855.703404][T14604] Cannot link a netdevsim to itself
[  855.703903][T14604] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).