Merge "Add BlacklistedIpAddresses stack output"

overcloud.j2.yaml

@@ -1072,6 +1072,9 @@ outputs:
   BlacklistedHostnames:
     description: List of blacklisted hostnames
     value: {get_attr: [BlacklistedHostnames, value]}
+  BlacklistedIpAddresses:
+    description: List of blacklisted ctlplane IP addresses
+    value: {get_attr: [BlacklistedIpAddresses, value]}
   AllNodesConfig:
     description: The config (hieradata) for all nodes.
     value: {get_attr: [allNodesConfig, all_nodes_config]}