<filter name='tck-testcase'>
    <uuid>d6b1a2af-def6-2898-9f8d-4a74e3c39558</uuid>
    <rule action='accept' direction='out' priority='500'>
        <icmp/>
    </rule>
    <!-- drop all other traffic -->
    <rule action='drop' direction='inout' priority='600'>
        <all/>
    </rule>
</filter>
