@classmethod
    def tearDownClass(cls):
        for vpnservice in cls.vpnservices:
            has_exception = False
            try:
                cls.client.delete_vpn_service(vpnservice['id'])
            except Exception as exc:
                LOG.exception(exc)
                has_exception = True
            if has_exception:
                raise TearDownException()

        for router in cls.routers:
            has_exception = False
            try:
                (cls.client.remove_router_interface_with_subnet_id(
                 router['id'], cls.subnets[0]['id']))
                cls.client.delete_router(router['id'])
            except Exception as exc:
                LOG.exception(exc)
                has_exception = True
            if has_exception:
                raise TearDownException()

        for health_monitor in cls.health_monitors:
            has_exception = False
            try:
                cls.client.delete_health_monitor(health_monitor['id'])
            except Exception as exc:
                LOG.exception(exc)
                has_exception = True
            if has_exception:
                raise TearDownException()
        for member in cls.members:
            has_exception = False
            try:
                cls.client.delete_member(member['id'])
            except Exception as exc:
                LOG.exception(exc)
                has_exception = True
            if has_exception:
                raise TearDownException()
        for vip in cls.vips:
            has_exception = False
            try:
                cls.client.delete_vip(vip['id'])
            except Exception as exc:
                LOG.exception(exc)
                has_exception = True
            if has_exception:
                raise TearDownException()
        for pool in cls.pools:
            has_exception = False
            try:
                cls.client.delete_pool(pool['id'])
            except Exception as exc:
                LOG.exception(exc)
                has_exception = True
            if has_exception:
                raise TearDownException()
        for port in cls.ports:
            has_exception = False
            try:
                cls.client.delete_port(port['id'])
            except Exception as exc:
                LOG.exception(exc)
                has_exception = True
            if has_exception:
                raise TearDownException()
        for subnet in cls.subnets:
            has_exception = False
            try:
                cls.client.delete_subnet(subnet['id'])
            except Exception as exc:
                LOG.exception(exc)
                has_exception = True
            if has_exception:
                raise TearDownException()
        for network in cls.networks:
            has_exception = False
            try:
                cls.client.delete_network(network['id'])
            except Exception as exc:
                LOG.exception(exc)
                has_exception = True
            if has_exception:
                raise TearDownException()