[  846.745909][T15776] netdevsim netdevsim305 eni305np1: renamed from eth0
[  846.762693][T15778] netdevsim netdevsim606 eni606np1: renamed from eth1
[  847.420354][T15764] Could not find device with ifindex 2000 in netnsfd 11
[  847.421084][T15764] Could not find netns with fd: 2000
[  847.421660][T15764] Cannot link a netdevsim to itself
[  847.422467][T15764] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).