[  692.840884][T13016] netdevsim netdevsim309 eni309np1: renamed from eth0
[  692.859288][T13018] netdevsim netdevsim635 eni635np1: renamed from eth1
[  693.494538][T13004] Could not find device with ifindex 2000 in netnsfd 11
[  693.495369][T13004] Could not find netns with fd: 2000
[  693.495747][T13004] Cannot link a netdevsim to itself
[  693.496217][T13004] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).