OVS Hardware Offload host with Mellanox NIC is not offloading flows in OpenStack Platform 16.2

Solution In Progress - Updated -


  • OVS hardware offload host is not offloading flows for virtual machine with switchdev capable ports using a Mellanox ConnectX5. Expecting HW Offload port flows to be offloaded.
  • This issue occurs on a newly installed OSP 16.2 cluster or with an upgrade to OSP 16.2.
  • Flows were being offloaded in OSP 16.1 but, once upgrade to OSP 16.2 is completed, flows are no longer offloaded and network throughput performance is affected.


  • Red Hat OpenStack Platform (OSP) 16.2

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content