@Override
    public OpenstackNode updateIntbridge(DeviceId newIntgBridge) {
        return new Builder()
                .type(type)
                .hostname(hostname)
                .intgBridge(newIntgBridge)
                .managementIp(managementIp)
                .dataIp(dataIp)
                .vlanIntf(vlanIntf)
                .uplinkPort(uplinkPort)
                .state(state)
                .phyIntfs(phyIntfs)
                .sshAuthInfo(sshAuth)
                .dpdkConfig(dpdkConfig)
                .keystoneConfig(keystoneConfig)
                .neutronConfig(neutronConfig)
                .controllers(controllers)
                .build();
    }
@Test
    public void testUpdateIntBridge() {
        OpenstackNode updatedNode = refNode.updateIntbridge(DeviceId.deviceId("br-tun"));

        checkCommonProperties(updatedNode);
        assertEquals(updatedNode.intgBridge(), DeviceId.deviceId("br-tun"));
    }