[  473.741072] netdevsim netdevsim305 eni305np1: renamed from eth0
[  473.741738] netdevsim netdevsim542 eni542np1: renamed from eth1
[  473.828671] Could not find device with ifindex 2000 in netnsfd 11
[  473.828755] Could not find netns with fd: 2000
[  473.828799] Cannot link a netdevsim to itself
[  473.828855] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).