add workaround from issue reporter

Author: DaanHoogland

systemvm/debian/opt/cloud/bin/cs/CsDhcp.py

@@ -139,6 +139,7 @@ def configure_server(self):
             # Listen Address
             if self.cl.is_redundant():
                 listen_address.append(gateway)
+                listen_address.append(ip)
             else:
                 listen_address.append(ip)
             # Add localized "data-server" records in /etc/hosts for VPC routers