[  860.589255][T15791] netdevsim netdevsim494 eni494np1: renamed from eth0
[  860.595943][T15793] netdevsim netdevsim620 eni620np1: renamed from eth1
[  861.346223][T15778] Could not find device with ifindex 2000 in netnsfd 11
[  861.347408][T15778] Could not find netns with fd: 2000
[  861.348122][T15778] Cannot link a netdevsim to itself
[  861.348730][T15778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).