<busconfig>
  <policy context="default">
    <!-- All messages may be received by default -->
    <allow receive_requested_reply="false" receive_type="method_call" eavesdrop="true"/>
    <allow receive_requested_reply="false" receive_type="method_return" eavesdrop="true"/>
    <allow receive_requested_reply="false" receive_type="error" eavesdrop="true"/>
    <allow receive_requested_reply="false" receive_type="signal" eavesdrop="true"/>
  </policy>
</busconfig>