[  442.185652] netdevsim netdevsim333 eni333np1: renamed from eth0
[  442.187222] netdevsim netdevsim731 eni731np1: renamed from eth0
[  442.282992] Could not find device with ifindex 2000 in netnsfd 11
[  442.283112] Could not find netns with fd: 2000
[  442.283169] Cannot link a netdevsim to itself
[  442.283233] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).