[  824.319485][T15807] netdevsim netdevsim355 eni355np1: renamed from eth0
[  824.344612][T15809] netdevsim netdevsim685 eni685np1: renamed from eth1
[  825.014820][T15794] Could not find device with ifindex 2000 in netnsfd 11
[  825.015611][T15794] Could not find netns with fd: 2000
[  825.016159][T15794] Cannot link a netdevsim to itself
[  825.017033][T15794] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).