[  768.019026][T14578] netdevsim netdevsim342 eni342np1: renamed from eth0
[  768.037982][T14580] netdevsim netdevsim743 eni743np1: renamed from eth1
[  768.579828][T14566] Could not find device with ifindex 2000 in netnsfd 11
[  768.580310][T14566] Could not find netns with fd: 2000
[  768.580651][T14566] Cannot link a netdevsim to itself
[  768.581156][T14566] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).