[  521.934789] netdevsim netdevsim514 eni514np1: renamed from eth1
[  522.030794] netdevsim netdevsim495 eni495np1: renamed from eth0
[  522.257290] Could not find device with ifindex 2000 in netnsfd 11
[  522.257450] Could not find netns with fd: 2000
[  522.257521] Cannot link a netdevsim to itself
[  522.257607] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).