[  711.487445][T13086] netdevsim netdevsim492 eni492np1: renamed from eth0
[  711.504250][T13088] netdevsim netdevsim722 eni722np1: renamed from eth1
[  712.330734][T13074] Could not find device with ifindex 2000 in netnsfd 11
[  712.331771][T13074] Could not find netns with fd: 2000
[  712.332220][T13074] Cannot link a netdevsim to itself
[  712.332697][T13074] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).