<filter name='testcase' chain='root'>
  <uuid>5c6d49af-b071-6127-b4ec-6f8ed4b55335</uuid>
  <rule action='accept' direction='out' priority='500'>
    <icmp srcmacaddr='01:02:03:04:05:06' dstipaddr='10.1.2.3' dstipmask='32' dscp='2' type='12' code='11'/>
  </rule>
  <rule action='accept' direction='in' priority='500'>
    <icmp srcmacaddr='01:02:03:04:05:06' srcipaddr='10.1.2.3' srcipmask='22' dscp='33' type='255' code='255'/>
  </rule>
  <rule action='accept' direction='in' priority='500'>
    <icmp srcmacaddr='01:02:03:04:05:06' srcipaddr='10.1.2.3' srcipmask='22' dscp='33'/>
  </rule>
</filter>