[  814.621768][T14587] netdevsim netdevsim313 eni313np1: renamed from eth0
[  814.636623][T14589] netdevsim netdevsim683 eni683np1: renamed from eth1
[  815.315002][T14575] Could not find device with ifindex 2000 in netnsfd 11
[  815.315623][T14575] Could not find netns with fd: 2000
[  815.316088][T14575] Cannot link a netdevsim to itself
[  815.316615][T14575] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).