[  778.004121][T14759] netdevsim netdevsim404 eni404np1: renamed from eth0
[  778.020074][T14758] netdevsim netdevsim753 eni753np1: renamed from eth1
[  778.622351][T14747] Could not find device with ifindex 2000 in netnsfd 11
[  778.622949][T14747] Could not find netns with fd: 2000
[  778.623383][T14747] Cannot link a netdevsim to itself
[  778.623858][T14747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).