Installation fails on AWS because the installer manifests include an invalid ingresses.config.openshift.io/cluster manifest.
Seems to be a consistent failure.
1. Install a cluster on AWS without specifying lbType in the install-config.
The cluster bootstrap fails with the following error message:
Cluster bootstrap should succeed.
https://github.com/openshift/installer/pull/6478 introduced the problematic logic that sets spec.loadBalancer.platform.aws without setting spec.loadBalancer.platform.aws.type.