[  478.200216] netdevsim netdevsim317 eni317np1: renamed from eth0
[  478.200751] netdevsim netdevsim739 eni739np1: renamed from eth1
[  478.284485] Could not find device with ifindex 2000 in netnsfd 11
[  478.284582] Could not find netns with fd: 2000
[  478.284629] Cannot link a netdevsim to itself
[  478.284683] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).