[  814.728793][T15684] netdevsim netdevsim471 eni471np1: renamed from eth0
[  814.738206][T15683] netdevsim netdevsim633 eni633np1: renamed from eth1
[  815.378207][T15670] Could not find device with ifindex 2000 in netnsfd 11
[  815.378956][T15670] Could not find netns with fd: 2000
[  815.379557][T15670] Cannot link a netdevsim to itself
[  815.380111][T15670] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).