[  478.648333] netdevsim netdevsim566 eni566np1: renamed from eth1
[  478.648923] netdevsim netdevsim486 eni486np1: renamed from eth0
[  478.740683] Could not find device with ifindex 2000 in netnsfd 11
[  478.740858] Could not find netns with fd: 2000
[  478.740965] Cannot link a netdevsim to itself
[  478.741084] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).