osdocs-13599 added admonition for Egress IPs on HCP clusters

Author: xJustin

networking/ovn_kubernetes_network_provider/configuring-egress-ips-ovn.adoc

@@ -9,6 +9,11 @@ toc::[]
 
 As a cluster administrator, you can configure the OVN-Kubernetes Container Network Interface (CNI) network plugin to assign one or more egress IP addresses to a namespace, or to specific pods in a namespace.
 
+[IMPORTANT]
+====
+Configuring egress IPs is not supported for {hcp-title} clusters at this time. 
+====
+
 [IMPORTANT]
 ====
 In an installer-provisioned infrastructure cluster, do not assign egress IP addresses to the infrastructure node that already hosts the ingress VIP. For more information, see the Red{nbsp}Hat Knowledgebase solution link:https://access.redhat.com/solutions/7069883[POD from the egress IP enabled namespace cannot access OCP route in an IPI cluster when the egress IP is assigned to the infra node that already hosts the ingress VIP].