[  793.024707][T15655] netdevsim netdevsim320 eni320np1: renamed from eth0
[  793.036669][T15653] netdevsim netdevsim699 eni699np1: renamed from eth1
[  793.640203][T15642] Could not find device with ifindex 2000 in netnsfd 11
[  793.641080][T15642] Could not find netns with fd: 2000
[  793.641748][T15642] Cannot link a netdevsim to itself
[  793.642366][T15642] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).