[  848.368380][T14788] netdevsim netdevsim489 eni489np1: renamed from eth0
[  848.396129][T14790] netdevsim netdevsim742 eni742np1: renamed from eth1
[  849.154909][T14776] Could not find device with ifindex 2000 in netnsfd 11
[  849.155841][T14776] Could not find netns with fd: 2000
[  849.156336][T14776] Cannot link a netdevsim to itself
[  849.157009][T14776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).