[  486.030937] netdevsim netdevsim278 eni278np1: renamed from eth0
[  486.033590] netdevsim netdevsim754 eni754np1: renamed from eth1
[  486.130028] Could not find device with ifindex 2000 in netnsfd 11
[  486.130129] Could not find netns with fd: 2000
[  486.130186] Cannot link a netdevsim to itself
[  486.130293] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).