[  473.077050] netdevsim netdevsim266 eni266np1: renamed from eth0
[  473.077722] netdevsim netdevsim667 eni667np1: renamed from eth1
[  473.150891] Could not find device with ifindex 2000 in netnsfd 11
[  473.150977] Could not find netns with fd: 2000
[  473.151023] Cannot link a netdevsim to itself
[  473.151079] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).