OpenShift GitOps Operator v1.2.0 sync failed with grpc errors in RHOCP 4

Issue

• OpenShift GitOps Operator v1.2.0 sync failed with the below error.

rpc error: code = Unavailable desc = all SubConns are in TransientFailure, latest connection error: connection error: desc = "transport: Error while dialing dial tcp <Internal k8s IP>:8081: connect: connection refused"

• The repo pods and app-controller pods enter a crashloopbackoff state eventually with the below errors.

$ oc logs pod/openshift-gitops-application-controller-0
"<time>" level=info msg="Normalized app spec: {\"status\":{\"conditions\":[{\"lastTransitionTime\":\"time\",\"message\":\"rpc error: code = Unknown desc = unexpected client error: unexpected requesting \\\"https://bitbucket.<url>refs?service=git-upload-pack\\\" status code: 502\",\"type\":\"ComparisonError\"}]}}" application=openshift-etcd-backup