[  718.085298][T13069] netdevsim netdevsim309 eni309np1: renamed from eth0
[  718.127570][T13071] netdevsim netdevsim556 eni556np1: renamed from eth1
[  718.843857][T13057] Could not find device with ifindex 2000 in netnsfd 11
[  718.845258][T13057] Could not find netns with fd: 2000
[  718.845879][T13057] Cannot link a netdevsim to itself
[  718.846673][T13057] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).