[  459.528272] netdevsim netdevsim415 eni415np1: renamed from eth0
[  459.528950] netdevsim netdevsim568 eni568np1: renamed from eth1
[  459.617440] Could not find device with ifindex 2000 in netnsfd 11
[  459.617538] Could not find netns with fd: 2000
[  459.617588] Cannot link a netdevsim to itself
[  459.617646] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).