[  486.968904] netdevsim netdevsim354 eni354np1: renamed from eth0
[  486.969773] netdevsim netdevsim650 eni650np1: renamed from eth1
[  487.052846] Could not find device with ifindex 2000 in netnsfd 11
[  487.052934] Could not find netns with fd: 2000
[  487.052977] Cannot link a netdevsim to itself
[  487.053030] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).