[  484.057798] netdevsim netdevsim470 eni470np1: renamed from eth0
[  484.159008] netdevsim netdevsim650 eni650np1: renamed from eth1
[  484.467121] Could not find device with ifindex 2000 in netnsfd 11
[  484.467249] Could not find netns with fd: 2000
[  484.467316] Cannot link a netdevsim to itself
[  484.467402] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).