[  759.390913][T14712] netdevsim netdevsim311 eni311np1: renamed from eth0
[  759.409312][T14714] netdevsim netdevsim707 eni707np1: renamed from eth1
[  759.977320][T14700] Could not find device with ifindex 2000 in netnsfd 11
[  759.977944][T14700] Could not find netns with fd: 2000
[  759.978324][T14700] Cannot link a netdevsim to itself
[  759.978786][T14700] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).