New nodes fail when running scaleup playbook in OCP 3

Issue

When adding a new node to an OpenShift cluster the following error(s) occur:

TASK [Approve node certificates when bootstrapping] ************************************************************************************************
Friday 11 January 2019  12:49:09 -0800 (0:00:00.255)       0:04:26.952 ********
FAILED - RETRYING: Approve node certificates when bootstrapping (30 retries left).
FAILED - RETRYING: Approve node certificates when bootstrapping (29 retries left).
FAILED - RETRYING: Approve node certificates when bootstrapping (28 retries left).
FAILED - RETRYING: Approve node certificates when bootstrapping (27 retries left).
FAILED - RETRYING: Approve node certificates when bootstrapping (26 retries left).