[  478.986203] netdevsim netdevsim408 eni408np1: renamed from eth0
[  479.087660] netdevsim netdevsim677 eni677np1: renamed from eth1
[  479.394788] Could not find device with ifindex 2000 in netnsfd 11
[  479.394925] Could not find netns with fd: 2000
[  479.394991] Cannot link a netdevsim to itself
[  479.395082] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).