modified docs to reflect further testing on secondary configurations

Author: brianlehr

articles/load-balancer/load-balancer-floating-ip.md

@@ -149,6 +149,7 @@ sudo ufw allow 80/tcp
 
 -  With Floating IP enabled on a load balancing rule, your application must use the primary IP configuration of the network interface for outbound.
 -  If your application binds to the frontend IP address configured on the loopback interface in the guest OS, Azure's outbound won't rewrite the outbound flow, and the flow fails. Review [outbound scenarios](load-balancer-outbound-connections.md).
+- You can't use Floating IP on secondary IP configurations for Load Balancing scenarios. This limitation doesn't apply to Public load balancers where the secondary IP configuration is IPv6 an part of a dual-stack configuration or to architectures that utilize a NAT Gateway for outbound connectivity.
 
 ## Next steps