[  484.186484] netdevsim netdevsim476 eni476np1: renamed from eth0
[  484.187029] netdevsim netdevsim671 eni671np1: renamed from eth1
[  484.271939] Could not find device with ifindex 2000 in netnsfd 11
[  484.272030] Could not find netns with fd: 2000
[  484.272081] Cannot link a netdevsim to itself
[  484.272141] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).