<filter name='testcase' chain='root'>
  <uuid>5c6d49af-b071-6127-b4ec-6f8ed4b55335</uuid>
  <rule action='accept' direction='out'>
     <icmpv6 srcmacaddr='1:2:3:4:5:6'
             dstipaddr='a:b:c::d:e:f' dstipmask='128'
             srcipaddr='f:e:d::c:b:a' srcipmask='127'
             dscp='2' type='12' code='11'/>
  </rule>
  <rule action='accept' direction='in'>
     <icmpv6 srcmacaddr='1:2:3:4:5:6'
             srcipaddr='a:b:c::' srcipmask='128'
             dscp='33' type='255' code='255'/>
  </rule>
  <rule action='accept' direction='in'>
     <icmpv6 srcmacaddr='1:2:3:4:5:6'
             srcipaddr='::10.1.2.3' srcipmask='129'
             dscp='33' type='256' code='256'/>
  </rule>
</filter>