[  484.271433] netdevsim netdevsim406 eni406np1: renamed from eth0
[  484.372854] netdevsim netdevsim735 eni735np1: renamed from eth1
[  484.736588] Could not find device with ifindex 2000 in netnsfd 11
[  484.736778] Could not find netns with fd: 2000
[  484.736880] Cannot link a netdevsim to itself
[  484.737011] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).