[  800.922093][T14446] netdevsim netdevsim472 eni472np1: renamed from eth0
[  800.935932][T14448] netdevsim netdevsim550 eni550np1: renamed from eth1
[  801.491864][T14434] Could not find device with ifindex 2000 in netnsfd 11
[  801.492426][T14434] Could not find netns with fd: 2000
[  801.492794][T14434] Cannot link a netdevsim to itself
[  801.493225][T14434] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).