[  699.526380][T13021] netdevsim netdevsim300 eni300np1: renamed from eth0
[  699.580894][T13022] netdevsim netdevsim681 eni681np1: renamed from eth1
[  700.346649][T13009] Could not find device with ifindex 2000 in netnsfd 11
[  700.347971][T13009] Could not find netns with fd: 2000
[  700.348651][T13009] Cannot link a netdevsim to itself
[  700.349494][T13009] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).