Steps to Reproduce

1) Create a VPC and set an outbound rules to deny the traffic at HTTP port 80)
2) Navigate to the ROSA classic cluster creation wizard.
3) Select the region type as either Single-zone/ Multizone and provide a KMS key value as shown below

arn:aws:kms:us-west-2:301721915996:key/1637c2bc-434a-4eb3-8931-243692ca897a
4) Select the network type as Private
5) Provide the subnets used for the above-created VPC and click on the Create cluster button
6) The cluster installation progress should be shown on the Overview page and the Network banner along with the list of subnets that failed the validation should be displayed

Expected Result
The Overview page should load correctly.
The network validation step should fail and the warning message should be shown
"User action required"
To allow this cluster to be fully managed, add these URLs to the allowlist of these subnet firewalls. For more information review the egress requirements or contact Red Hat support" This should be a warning message"

Actual Result

Network validation errors are not shown even if the inflight check fails
There is no Rerun network validation button on the Overview page
The installation progress disappears once the cluster reaches the error state