[  692.921620][T13053] netdevsim netdevsim471 eni471np1: renamed from eth0
[  692.938047][T13055] netdevsim netdevsim723 eni723np1: renamed from eth1
[  693.600506][T13041] Could not find device with ifindex 2000 in netnsfd 11
[  693.601518][T13041] Could not find netns with fd: 2000
[  693.602061][T13041] Cannot link a netdevsim to itself
[  693.602655][T13041] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).