[  479.840904] netdevsim netdevsim545 eni545np1: renamed from eth1
[  479.941130] netdevsim netdevsim462 eni462np1: renamed from eth0
[  480.283381] Could not find device with ifindex 2000 in netnsfd 11
[  480.283540] Could not find netns with fd: 2000
[  480.283610] Cannot link a netdevsim to itself
[  480.283714] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).