def associate_address(self, req, id, body):
        context = req.environ['nova.context']

        if body is None:
            ip = 'auto'
        else:
            ip = body.get('ipAddress', 'auto')

        LOG.audit(_("Associate address %(ip)s to VSA %(id)s"),
                    locals(), context=context)

        try:
            instances = self._get_instances_by_vsa_id(context, id)
            if instances is None or len(instances) == 0:
                return faults.Fault(exc.HTTPNotFound())

            for instance in instances:
                self.network_api.allocate_for_instance(context, instance,
                                    vpn=False)
                # Placeholder
                return

        except exception.NotFound:
            return faults.Fault(exc.HTTPNotFound())
Invoke the stop on the event loop method.
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/api/openstack/contrib/virtual_storage_arrays.py/VsaController.associate_address--crossover with--dataset/ETHPy150Open quantmind/pulsar/pulsar/async/threads.py/Thread.terminate