Upgrading Red Hat OpenShift Container Platform fails when using a custom API server port

Issue

• Upgrading OCP from version 3.9 to 3.10 or 3.10 to 3.11 via the upgrade_control_plane.yml playbook fails with the following error:

  FAILED - RETRYING: verify api server (120 retries left).Result was: {
      "attempts": 1, 
      "changed": false, 
      "cmd": [
          "curl", 
          "--silent", 
          "--tlsv1.2", 
          "--cacert", 
          "/etc/origin/master/ca-bundle.crt", 
          "https://master.foo.com:8443/healthz/ready"
      ], 
      "delta": "0:00:00.012866", 
      "end": "2019-04-12 04:33:34.335878", 
      "failed": true, 
      "invocation": {
          "module_args": {
              "_raw_params": "curl --silent --tlsv1.2 --cacert /etc/origin/master/ca-bundle.crt https://master.foo.com:8443/healthz/ready", 
              "_uses_shell": false, 
              "chdir": null, 
              "creates": null, 
              "executable": null, 
              "removes": null, 
              "stdin": null, 
              "warn": false
          }
      }, 
      "msg": "non-zero return code", 
      "rc": 7, 
      "retries": 121
  

• I have configured master API for port 443 but it always tries to connect to port 8443