[  521.785800] netdevsim netdevsim469 eni469np1: renamed from eth0
[  521.883327] netdevsim netdevsim710 eni710np1: renamed from eth1
[  522.124464] Could not find device with ifindex 2000 in netnsfd 11
[  522.124670] Could not find netns with fd: 2000
[  522.124773] Cannot link a netdevsim to itself
[  522.124887] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).