<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>