[  759.672744][T14574] netdevsim netdevsim344 eni344np1: renamed from eth0
[  759.689046][T14576] netdevsim netdevsim600 eni600np1: renamed from eth1
[  760.228141][T14562] Could not find device with ifindex 2000 in netnsfd 11
[  760.228621][T14562] Could not find netns with fd: 2000
[  760.228967][T14562] Cannot link a netdevsim to itself
[  760.229382][T14562] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).