SUBMIT request failed, Error reported: org.apache.http.NoHttpResponseException: policy-api.onap:6969 failed to respond

Not sure if it's due to windriver network issues or K8s

That cannot be reproduced locally.

Update: This is due to Keep Alive setting of the HTTP4 (httpClient) component.

Workaround: Retry until it works, as clamp delete and recreate everything it's not an issue.