[  478.678147] netdevsim netdevsim375 eni375np1: renamed from eth0
[  478.678475] netdevsim netdevsim687 eni687np1: renamed from eth1
[  478.764753] Could not find device with ifindex 2000 in netnsfd 11
[  478.764921] Could not find netns with fd: 2000
[  478.765035] Cannot link a netdevsim to itself
[  478.765152] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).