Scale out fails with certificate verify failed in Red Hat OpenShift Container Platform Baremetal with Installer Provisioned Infrastructure

Issue

Scale-out fails with certificate verification failed in Red Hat OpenShift Container Platform Baremetal with Installer Provisioned Infrastructure

On bootstrap in ironic-conductor log one can see many errors like:

ERROR ironic.drivers.modules.agent_client [-] Failed to connect to the agent running on node d7c322f0-0354-4008-92b4-f49fb2201001 for invoking command clean.get_clean_steps. Error: HTTPSConnectionPool(host='192.168.123.126', port=9999): Max retries exceeded with url: /v1/commands/?wait=true&agent_token=gU8ziSSacl_G14jmnW3zOxcRQ_gmt0M9Ue-3gWTiWfo (Caused by SSLError(SSLError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:897)'),)): requests.exceptions.SSLError: HTTPSConnectionPool(host='192.168.123.126', port=9999): Max retries exceeded with url: /v1/commands/?wait=true&agent_token=gU8ziSSacl_G14jmnW3zOxcRQ_gmt0M9Ue-3gWTiWfo (Caused by SSLError(SSLError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:897)'),))