OpenShift Install - wait for api to become available

Issue

TASK [openshift_master : Wait for API to become available] *********************
FAILED - RETRYING: Wait for API to become available (120 retries left).
FAILED - RETRYING: Wait for API to become available (119 retries left).
…..
FAILED - RETRYING: Wait for API to become available (6 retries left).
FAILED - RETRYING: Wait for API to become available (5 retries left).
FAILED - RETRYING: Wait for API to become available (4 retries left).
FAILED - RETRYING: Wait for API to become available (3 retries left).
FAILED - RETRYING: Wait for API to become available (2 retries left).
FAILED - RETRYING: Wait for API to become available (1 retries left).
 [WARNING]: Consider using the get_url or uri module rather than running curl.
If you need to use command because get_url or uri is insufficient you can add
warn=False to this command task or set command_warnings=False in ansible.cfg to
get rid of this message.
fatal: [ec2-xx-xx-xx-xx.example.com]: FAILED! => {"attempts": 120, "changed": false, "cmd": ["curl", "--silent", "--tlsv1.2", "--cacert", "/etc/origin/master/ca-bundle.crt", "https://console.example.com/healthz
/ready"], "delta": "0:00:00.037458", "end": "2018-04-16 18:46:54.998317", "msg": "non-zero return code", "rc": 35, "start": "2018-04-16 18:46:54.960859", "stderr": "", "stderr_lines": [], "stdout": "", "stdout_lines": []}

NO MORE HOSTS LEFT *************************************************************
to retry, use: --limit @/usr/share/ansible/openshift-ansible/playbooks/byo/config.retry

PLAY RECAP *********************************************************************
ec2-xx-xx-xx-xx.example.com : ok=55   changed=5    unreachable=0    failed=1
...
localhost                  : ok=11   changed=0    unreachable=0    failed=0

INSTALLER STATUS ***************************************************************
Initialization             : Complete
Health Check               : Complete
etcd Install               : Complete
Master Install             : In Progress
This phase can be restarted by running: playbooks/byo/openshift-master/config.yml

• Rerunning install allows it to complete