[ovn] Open nb/sb remote ports

These ports are closed by default since ovs 2.8
that comes with pike release.

Change-Id: Ia6c5ad5a1a1d8c198c1080aea09256a2ac820145
diff --git a/neutron/control/ovn/single.yml b/neutron/control/ovn/single.yml
index c02f621..92b8258 100644
--- a/neutron/control/ovn/single.yml
+++ b/neutron/control/ovn/single.yml
@@ -32,6 +32,11 @@
       message_queue:
         members:
           - host: ${_param:openstack_message_queue_node01_address}
+      ovn_ctl_opts:
+        db-nb-create-insecure-remote: 'yes'
+        db-sb-create-insecure-remote: 'yes'
+        db-nb-addr: ${_param:single_address}
+        db-sb-addr: ${_param:single_address}
   mysql:
     server:
       database: