Sets the hda disk interface for this QEMU VM.

        :param hdb_disk_interface: QEMU hdb disk interface

def hdb_disk_interface(self, hdb_disk_interface):
        """
        Sets the hda disk interface for this QEMU VM.

        :param hdb_disk_interface: QEMU hdb disk interface
        """

        self._hdb_disk_interface = hdb_disk_interface
        log.info('QEMU VM "{name}" [{id}] has set the QEMU hdb disk interface to {interface}'.format(name=self._name,
                                                                                                     id=self._id,
                                                                                                     interface=self._hdb_disk_interface))