[  560.650065] netdevsim netdevsim658 eni658np1: renamed from eth1
[  560.748228] netdevsim netdevsim317 eni317np1: renamed from eth0
[  560.961610] Could not find device with ifindex 2000 in netnsfd 11
[  560.961781] Could not find netns with fd: 2000
[  560.961870] Cannot link a netdevsim to itself
[  560.961982] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).