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

Solution In Progress - Updated -

Issue

  • 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.

Environment

  • Red Hat OpenStack Platform (OSP) 16.2

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