On 4.12 pod to pod traffics are blocked when using cx-5 ovs hw offload as default network

When using cx-5 as default network for pods with ovs hwoffload enabled, pod to pod traffics (same host or different hosts) are blocked.

[root@openshift-qe-026 offload]# oc version
Client Version: 4.12.0-0.nightly-2022-10-25-210451
Kustomize Version: v4.5.7
Server Version: 4.12.0-0.nightly-2022-10-25-210451
Kubernetes Version: v1.25.2+4bd0702
[root@openshift-qe-026 offload]# 
[root@openshift-qe-026 offload]# 
[root@openshift-qe-026 offload]# oc get csv -n openshift-sriov-network-operator
NAME                                         DISPLAY                   VERSION               REPLACES                                     PHASE
sriov-network-operator.4.12.0-202211021237   SR-IOV Network Operator   4.12.0-202211021237   sriov-network-operator.4.12.0-202210290517   Succeeded
[root@openshift-qe-026 offload]# 

1. set up baremetal cluster with cx-5 as default network interface on worker nodes.
2. configure ovs offload following guide https://docs.openshift.com/container-platform/4.10/networking/hardware_networks/configuring-hardware-offloading.html

3. create pods with ovs hwoffloaded VFs as default network interface

4. ping from pod to pod failed.

5. create pods without ovs hwoffload VF.

6. ping from pod to pod succeed.

1.
2.
3.

pod to pod traffic is blocked.

pod to pod traffic should pass.