Handle reception of a new ConnectionStatus.

def new_connection_status(self, conn_status):
        """Handle reception of a new ConnectionStatus."""
        if conn_status.status == CONNECTION_STATUS_CONNECTED:
            self._mz.update_members()
        if (conn_status.status == CONNECTION_STATUS_DISCONNECTED or
                conn_status.status == CONNECTION_STATUS_LOST):
            self._mz.reset_members()