[  486.538109] netdevsim netdevsim320 eni320np1: renamed from eth0
[  486.539055] netdevsim netdevsim711 eni711np1: renamed from eth1
[  486.626866] Could not find device with ifindex 2000 in netnsfd 11
[  486.626975] Could not find netns with fd: 2000
[  486.627033] Cannot link a netdevsim to itself
[  486.627092] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).