[  478.752835] netdevsim netdevsim348 eni348np1: renamed from eth0
[  478.753375] netdevsim netdevsim574 eni574np1: renamed from eth1
[  478.857790] Could not find device with ifindex 2000 in netnsfd 11
[  478.857906] Could not find netns with fd: 2000
[  478.857951] Cannot link a netdevsim to itself
[  478.858001] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).