[  691.013326][T13030] netdevsim netdevsim437 eni437np1: renamed from eth0
[  691.026861][T13032] netdevsim netdevsim682 eni682np1: renamed from eth1
[  691.648148][T13018] Could not find device with ifindex 2000 in netnsfd 11
[  691.648953][T13018] Could not find netns with fd: 2000
[  691.649328][T13018] Cannot link a netdevsim to itself
[  691.649769][T13018] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).