[  857.623788][T15828] netdevsim netdevsim291 eni291np1: renamed from eth0
[  857.635887][T15825] netdevsim netdevsim693 eni693np1: renamed from eth1
[  858.269670][T15814] Could not find device with ifindex 2000 in netnsfd 11
[  858.270467][T15814] Could not find netns with fd: 2000
[  858.271058][T15814] Cannot link a netdevsim to itself
[  858.271700][T15814] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).