[  788.031386][T14527] netdevsim netdevsim393 eni393np1: renamed from eth0
[  788.054589][T14529] netdevsim netdevsim765 eni765np1: renamed from eth1
[  788.777511][T14515] Could not find device with ifindex 2000 in netnsfd 11
[  788.778079][T14515] Could not find netns with fd: 2000
[  788.778458][T14515] Cannot link a netdevsim to itself
[  788.778887][T14515] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).