[  491.201224] netdevsim netdevsim418 eni418np1: renamed from eth0
[  491.298546] netdevsim netdevsim603 eni603np1: renamed from eth1
[  491.521669] Could not find device with ifindex 2000 in netnsfd 11
[  491.521908] Could not find netns with fd: 2000
[  491.522005] Cannot link a netdevsim to itself
[  491.522133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).