[  787.887053][T14585] netdevsim netdevsim390 eni390np1: renamed from eth0
[  787.893067][T14587] netdevsim netdevsim566 eni566np1: renamed from eth1
[  788.426219][T14573] Could not find device with ifindex 2000 in netnsfd 11
[  788.426699][T14573] Could not find netns with fd: 2000
[  788.427062][T14573] Cannot link a netdevsim to itself
[  788.427452][T14573] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).