[  693.626113][T13029] netdevsim netdevsim348 eni348np1: renamed from eth0
[  693.643495][T13031] netdevsim netdevsim612 eni612np1: renamed from eth1
[  694.259722][T13017] Could not find device with ifindex 2000 in netnsfd 11
[  694.260761][T13017] Could not find netns with fd: 2000
[  694.261245][T13017] Cannot link a netdevsim to itself
[  694.261830][T13017] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).