[  698.730048][T13023] netdevsim netdevsim416 eni416np1: renamed from eth0
[  698.747626][T13022] netdevsim netdevsim611 eni611np1: renamed from eth1
[  699.387336][T13011] Could not find device with ifindex 2000 in netnsfd 11
[  699.388267][T13011] Could not find netns with fd: 2000
[  699.388781][T13011] Cannot link a netdevsim to itself
[  699.389350][T13011] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).