<filter name='testcase'> <uuid>5c6d49af-b071-6127-b4ec-6f8ed4b55335</uuid> <rule action='drop' direction='inout'> <!-- should use $MAC for MAC address, but tests would depend on VM's MAC address --> <all match='no' srcmacaddr='12:34:56:78:9a:bc'/> </rule> <rule action='drop' direction='in'> <!-- not accepting incoming traffic from a certain MAC address --> <all match='no' srcmacaddr='aa:aa:aa:aa:aa:aa'/> </rule> </filter>