[  849.986141][T15801] netdevsim netdevsim401 eni401np1: renamed from eth0
[  850.016645][T15800] netdevsim netdevsim706 eni706np1: renamed from eth1
[  850.755114][T15788] Could not find device with ifindex 2000 in netnsfd 11
[  850.756198][T15788] Could not find netns with fd: 2000
[  850.756823][T15788] Cannot link a netdevsim to itself
[  850.757329][T15788] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).