def destroy(self):
# check no VIFs or PIFs attached
if len(self.get_VIFs()) > 0:
raise NetworkError("Cannot destroy network with VIFs attached",
self.get_name_label())
if len(self.get_PIFs()) > 0:
raise NetworkError("Cannot destroy network with PIFs attached",
self.get_name_label())
XendBase.destroy(self)
Ovsctl.bridge_del(self.get_name_label())
XendNode.instance().save_networks()
