[  787.728862][T14589] netdevsim netdevsim397 eni397np1: renamed from eth0
[  787.746429][T14591] netdevsim netdevsim604 eni604np1: renamed from eth1
[  788.376504][T14577] Could not find device with ifindex 2000 in netnsfd 11
[  788.377068][T14577] Could not find netns with fd: 2000
[  788.378964][T14577] Cannot link a netdevsim to itself
[  788.379394][T14577] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).