[  692.576064][T13057] netdevsim netdevsim258 eni258np1: renamed from eth0
[  692.598096][T13059] netdevsim netdevsim649 eni649np1: renamed from eth1
[  693.229311][T13045] Could not find device with ifindex 2000 in netnsfd 11
[  693.230222][T13045] Could not find netns with fd: 2000
[  693.230696][T13045] Cannot link a netdevsim to itself
[  693.231262][T13045] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).