[  521.654580] netdevsim netdevsim292 eni292np1: renamed from eth0
[  521.752662] netdevsim netdevsim747 eni747np1: renamed from eth1
[  521.968400] Could not find device with ifindex 2000 in netnsfd 11
[  521.968549] Could not find netns with fd: 2000
[  521.968618] Cannot link a netdevsim to itself
[  521.968702] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).