1. Proposed title of this feature request
Allow random picking of rendezvous IP to agent-based installation on OCI
2. What is the nature and description of the request?
In a completely DHCP-based installation, the IP addresses are not known. 
3. Why does the customer need this? (List the business requirements here)
On an OCI platform, we don't get an IP address unless the machine is created.
4. List any affected packages or components.
Openshift-installer