fix neutron ovs/dvr, fix opencontail proxy, fix mysql client
diff --git a/mysql/client/single.yml b/mysql/client/single.yml
index 1ad0957..e273e2f 100644
--- a/mysql/client/single.yml
+++ b/mysql/client/single.yml
@@ -8,13 +8,15 @@
 - system.mysql.client.database.nova_api
 - system.mysql.client.database.neutron
 parameters:
+  _param:
+    mysql_client_host: localhost
   mysql:
     client:
       enabled: true
       server:
         database:
           admin:
-            host: ${_param:cluster_vip_address}
+            host: ${_param:mysql_client_host}
             port: 3306
             user: ${_param:mysql_admin_user}
             password: ${_param:mysql_admin_password}