Product : Red Hat, RHEV/3.5, All
Feature : Offload Support, Networking, Network and Storage
Content Owner:  Roman Macek
Summary
Yes (vNIC Profile)
Details
RHV 3.3. added the ability to control Network QoS using virtual NIC profiles through the RHV-M interface.
Users can now limit the inbound and outbound network traffic on a virtual NIC level by applying profiles which define attributes such as port mirroring, quality of service (QoS) or custom properties.