[  479.316658] netdevsim netdevsim348 eni348np1: renamed from eth0
[  479.417991] netdevsim netdevsim569 eni569np1: renamed from eth1
[  479.795313] Could not find device with ifindex 2000 in netnsfd 11
[  479.795473] Could not find netns with fd: 2000
[  479.795559] Cannot link a netdevsim to itself
[  479.795659] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).