<dnc xmlns="urn:yanglint:moddatanodes">
  <lf>x</lf>
  <lfl>1</lfl>
  <lfl>2</lfl>
  <con>
    <lt>
      <kalf>ka1</kalf>
      <kblf>kb1</kblf>
      <vlf>v1</vlf>
    </lt>
    <lt>
      <kalf>ka2</kalf>
      <kblf>kb2</kblf>
      <vlf>v2</vlf>
    </lt>
  </con>
</dnc>
