[  518.219292] netdevsim netdevsim600 eni600np1: renamed from eth1
[  518.317126] netdevsim netdevsim495 eni495np1: renamed from eth0
[  518.545291] Could not find device with ifindex 2000 in netnsfd 11
[  518.545499] Could not find netns with fd: 2000
[  518.545584] Cannot link a netdevsim to itself
[  518.545692] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).