[  716.547126][T13085] netdevsim netdevsim436 eni436np1: renamed from eth0
[  716.567188][T13087] netdevsim netdevsim652 eni652np1: renamed from eth1
[  717.278365][T13073] Could not find device with ifindex 2000 in netnsfd 11
[  717.279290][T13073] Could not find netns with fd: 2000
[  717.279705][T13073] Cannot link a netdevsim to itself
[  717.280245][T13073] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).