[  842.635961][T14639] netdevsim netdevsim332 eni332np1: renamed from eth0
[  842.648249][T14641] netdevsim netdevsim722 eni722np1: renamed from eth1
[  843.356621][T14627] Could not find device with ifindex 2000 in netnsfd 11
[  843.357531][T14627] Could not find netns with fd: 2000
[  843.357925][T14627] Cannot link a netdevsim to itself
[  843.358395][T14627] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).