[  853.963666][T15821] netdevsim netdevsim376 eni376np1: renamed from eth0
[  853.978085][T15819] netdevsim netdevsim649 eni649np1: renamed from eth1
[  854.662830][T15807] Could not find device with ifindex 2000 in netnsfd 11
[  854.663516][T15807] Could not find netns with fd: 2000
[  854.663977][T15807] Cannot link a netdevsim to itself
[  854.664538][T15807] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).