User Story:

The installer should validate install-config fields so that they are valid to install a dualstack cluster on AWS.

Acceptance Criteria:

Description of criteria:

• Installer validations for install-config before installing the dualstack cluster on AWS.

(optional) Out of Scope:

Detail about what is specifically not being delivered in the story

Engineering Details:

• (optional) https://github/com/link.to.enhancement/
• (optional) https://issues.redhat.com/link.to.spike
• Engineering detail 1
• Engineering detail 2

This requires/does not require a design proposal.
This requires/does not require a feature gate.