def _register_mechanisms(self):
        for ext in self:
            self.mech_drivers[ext.name] = ext
            self.ordered_mech_drivers.append(ext)
        LOG.info(_LI("Registered mechanism drivers: %s"),
                 [driver.name for driver in self.ordered_mech_drivers])
Register all mechanism drivers.
dataset/ETHPy150Open openstack/neutron/neutron/plugins/ml2/managers.py/MechanismManager._register_mechanisms