[  479.202022] netdevsim netdevsim400 eni400np1: renamed from eth0
[  479.202406] netdevsim netdevsim758 eni758np1: renamed from eth1
[  479.278399] Could not find device with ifindex 2000 in netnsfd 11
[  479.278513] Could not find netns with fd: 2000
[  479.278563] Cannot link a netdevsim to itself
[  479.278613] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).