[  814.663657][T14747] netdevsim netdevsim453 eni453np1: renamed from eth0
[  814.669984][T14749] netdevsim netdevsim584 eni584np1: renamed from eth1
[  815.308104][T14735] Could not find device with ifindex 2000 in netnsfd 11
[  815.308960][T14735] Could not find netns with fd: 2000
[  815.309359][T14735] Cannot link a netdevsim to itself
[  815.309792][T14735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).