[  491.677134] netdevsim netdevsim478 eni478np1: renamed from eth0
[  491.778250] netdevsim netdevsim709 eni709np1: renamed from eth1
[  492.190419] Could not find device with ifindex 2000 in netnsfd 11
[  492.190619] Could not find netns with fd: 2000
[  492.190742] Cannot link a netdevsim to itself
[  492.190884] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).