RSVP: add refresh reduction under interface

geant/gap_ansible/roles/iptrunk/templates/nokia/trunk_interface.j2

@@ -96,6 +96,9 @@
           <rsvp xmlns="urn:nokia.com:sros:ns:yang:sr:conf" xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns:nokia-attr="urn:nokia.com:sros:ns:yang:sr:attributes">
               <interface alu:operation="replace">
                 <interface-name>{{ local.ae_name | lower }}.0</interface-name>
+                <refresh-reduction>
+                  <reliable-delivery>true</reliable-delivery>
+                </refresh-reduction>
               </interface>
           </rsvp>
       </router>