[libvirt] interface description

?Hi, I have an interface xml description the "model" is missing, is that normal ? if it is normal, what is the exposed model ? <interface type="network"> <mac address="52:54:00:50:3a:98" /> <source network="default" /> <target dev="vnet0" /> <alias name="net0" /> <address type="pci" domain="0x0000" bus="0x00" slot="0x03" function="0x0" /> </interface> Regards Arnaud