[  485.034864] netdevsim netdevsim633 eni633np1: renamed from eth1
[  485.135196] netdevsim netdevsim380 eni380np1: renamed from eth0
[  485.491653] Could not find device with ifindex 2000 in netnsfd 11
[  485.491811] Could not find netns with fd: 2000
[  485.491902] Cannot link a netdevsim to itself
[  485.492012] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).