Description of problem:

User has initiated a ROSA Cluster creation with maximum security groups ( 5 security groups) assigned to all nodes. Cluster installation has started and failed at the end with unknown error from the cluster.

See the recording attached rosawith5sgs.mp4

rosa list clusters | grep "rosawith5sgs"

27hrl352gef2lgqt9ri1bqlvkumnrlk2  rosawith5sgs  error         Classic (STS)

Cluster installation logs clusterinstallation.log

How reproducible:

always

Steps to Reproduce:

1. Open OCM UI staging.
2. Open ROSA wizard and choose control plane as "Classic".
3. Go to Networking step and enable the " Install into an existing VPC option"
4. Click "Next" button.
5. Select a VPC (make sure it has more than 6 custom security groups associated)and fill the subnet definitions.
6. Expand the "Additional security groups" section.
7. Enable "Apply the same security groups to all node types (control plane, infrastructure, worker)" checkbox.
8. Select 5 security groups.
9. Proceed to next steps and reach to "Review and create" step.
10. Click "Create cluster" button.
11. See the cluster installation.

Actual results:

Cluster installation has failed at the end with unknown error in logs.

The installation log from installer screen indicated as below 

time="2023-11-16T12:52:16Z" level=error msg="Error: creating EC2 Network Interface: InvalidParameterValue: user 301721915996 exceeded limit 5 on the number of interface security group memberships"

Expected results:

Cluster installation should be successful with max security groups for all nodes.