[  485.491703] netdevsim netdevsim314 eni314np1: renamed from eth0
[  485.492536] netdevsim netdevsim573 eni573np1: renamed from eth1
[  485.579586] Could not find device with ifindex 2000 in netnsfd 11
[  485.579672] Could not find netns with fd: 2000
[  485.579722] Cannot link a netdevsim to itself
[  485.579772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).