[  479.429128] netdevsim netdevsim318 eni318np1: renamed from eth0
[  479.530472] netdevsim netdevsim693 eni693np1: renamed from eth1
[  479.862549] Could not find device with ifindex 2000 in netnsfd 11
[  479.862704] Could not find netns with fd: 2000
[  479.862793] Cannot link a netdevsim to itself
[  479.862884] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).