Failed to install OCP with log error: The bootstrap machine is unable to resolve API and/or API-Int Server URLs

Issue

• Failed to install an OCP cluster

• The installation logs show the following warnings/errors

  time="2023-04-12T17:17:00-04:00" level=debug msg="ssh: connect to host xxx.xxx.xxx.xxx port 22: Connection refused\r"
  time="2023-04-12T17:17:00-04:00" level=debug msg="Collecting info from xxx.xxx.xxx.xxx"
  time="2023-04-12T17:17:00-04:00" level=debug msg="lost connection"
  
  time="2023-04-12T17:17:01-04:00" level=warning msg="Unable to stat /home/kni/clusterconfigs/serial-log-bundle-20230412171632.tar.gz, skipping"
  time="2023-04-12T17:17:03-04:00" level=error msg="Bootstrap failed to complete: timed out waiting for the condition"
  time="2023-04-12T17:17:03-04:00" level=error msg="Failed to wait for bootstrapping to complete. This error usually happens when there is a problem with control plane hosts that prevents the control plane operators from creating the control plane."
  time="2023-04-12T17:17:03-04:00" level=warning msg="The bootstrap machine is unable to resolve API and/or API-Int Server URLs"