add_static_route_default.tmpl

<config>
  <router-static xmlns="http://cisco.com/ns/yang/Cisco-IOS-XR-ip-static-cfg">
   <default-vrf>
    <address-family>
     <vrfipv4>
      <vrf-unicast>
       <vrf-prefixes>
        <vrf-prefix>
         <prefix>10.1.1.0</prefix>
         <prefix-length>24</prefix-length>
         <vrf-route>
          <vrf-next-hop-table>
           <vrf-next-hop-interface-name-next-hop-address>
            <interface-name>Loopback0</interface-name>
            <next-hop-address>10.10.10.1</next-hop-address>
           </vrf-next-hop-interface-name-next-hop-address>
          </vrf-next-hop-table>
         </vrf-route>
        </vrf-prefix>
        <vrf-prefix>
         <prefix>10.1.2.0</prefix>
         <prefix-length>24</prefix-length>
         <vrf-route>
          <vrf-next-hop-table>
           <vrf-next-hop-interface-name>
            <interface-name>Loopback0</interface-name>
           </vrf-next-hop-interface-name>
          </vrf-next-hop-table>
         </vrf-route>
        </vrf-prefix>
       </vrf-prefixes>
      </vrf-unicast>
     </vrfipv4>
    </address-family>
   </default-vrf>
  </router-static>
</config>