[  478.108913] netdevsim netdevsim268 eni268np1: renamed from eth0
[  478.109372] netdevsim netdevsim672 eni672np1: renamed from eth1
[  478.200909] Could not find device with ifindex 2000 in netnsfd 11
[  478.201002] Could not find netns with fd: 2000
[  478.201048] Cannot link a netdevsim to itself
[  478.201105] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).