public boolean isMulticast() {
        if (this.isBroadcast()) {
            return false;
        }
        return (this.address[0] & 0x01) != 0;
    }
@Test
    public void testIsMulticast() throws Exception {
        // Note: LLDP MACs are also a multicast MACs
        assertFalse(MAC_NORMAL.isMulticast());
        assertFalse(MAC_BCAST.isMulticast());
        assertTrue(MAC_MCAST.isMulticast());
        assertTrue(MAC_MCAST_2.isMulticast());
        assertTrue(MAC_LLDP.isMulticast());
        assertTrue(MAC_LLDP_2.isMulticast());
        assertTrue(MAC_LLDP_3.isMulticast());
        assertFalse(MAC_ONOS.isMulticast());
    }