[  472.867389] netdevsim netdevsim333 eni333np1: renamed from eth0
[  472.867643] netdevsim netdevsim618 eni618np1: renamed from eth1
[  472.945101] Could not find device with ifindex 2000 in netnsfd 11
[  472.945233] Could not find netns with fd: 2000
[  472.945347] Cannot link a netdevsim to itself
[  472.945465] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).