[  478.507033] netdevsim netdevsim440 eni440np1: renamed from eth0
[  478.508072] netdevsim netdevsim702 eni702np1: renamed from eth0
[  478.587750] Could not find device with ifindex 2000 in netnsfd 11
[  478.587853] Could not find netns with fd: 2000
[  478.587900] Cannot link a netdevsim to itself
[  478.587962] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).