[  472.805073] netdevsim netdevsim490 eni490np1: renamed from eth0
[  472.805683] netdevsim netdevsim735 eni735np1: renamed from eth1
[  472.886290] Could not find device with ifindex 2000 in netnsfd 11
[  472.886379] Could not find netns with fd: 2000
[  472.886423] Cannot link a netdevsim to itself
[  472.886472] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).