[  478.408100] netdevsim netdevsim414 eni414np1: renamed from eth0
[  478.509495] netdevsim netdevsim653 eni653np1: renamed from eth1
[  478.833143] Could not find device with ifindex 2000 in netnsfd 11
[  478.833286] Could not find netns with fd: 2000
[  478.833373] Cannot link a netdevsim to itself
[  478.833473] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).