telem-del-ipv6-works.tmpl

<config>
  <telemetry-model-driven xmlns="http://cisco.com/ns/yang/Cisco-IOS-XR-telemetry-model-driven-cfg">
   <destination-groups>
    <destination-group>
     <destination-id>DGroup1</destination-id>
     <destinations>
      <destination>
       <address-family>ipv6</address-family>
       <ipv6 nc:operation="delete">
        <ipv6-address>2001:db8:0:100::15</ipv6-address>
        <destination-port>5432</destination-port>
       </ipv6>
      </destination>
     </destinations>
    </destination-group>
   </destination-groups>
  </telemetry-model-driven>
</config>