def delete_subnet(self, context, id):
        """Delete Neutron subnet.

        Delete neutron network and its corresponding MidoNet bridge.
        """
        LOG.info(_("MidonetPluginV2.delete_subnet called: id=%s"), id)

        with context.session.begin(subtransactions=True):
            super(MidonetPluginV2, self).delete_subnet(context, id)
            self.api_cli.delete_subnet(id)

        LOG.info(_("MidonetPluginV2.delete_subnet exiting"))