[  479.728299] netdevsim netdevsim472 eni472np1: renamed from eth0
[  479.829939] netdevsim netdevsim659 eni659np1: renamed from eth1
[  480.164862] Could not find device with ifindex 2000 in netnsfd 11
[  480.165002] Could not find netns with fd: 2000
[  480.165078] Cannot link a netdevsim to itself
[  480.165171] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).