[  497.604469] netdevsim netdevsim317 eni317np1: renamed from eth0
[  497.700592] netdevsim netdevsim751 eni751np1: renamed from eth1
[  497.946408] Could not find device with ifindex 2000 in netnsfd 11
[  497.946865] Could not find netns with fd: 2000
[  497.947007] Cannot link a netdevsim to itself
[  497.947172] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).