public boolean isOnos() {
        return Arrays.equals(this.oui(), ONOS.oui());
    }
@Test
    public void testIsOnos() throws Exception {
        assertFalse(MAC_NORMAL.isOnos());
        assertFalse(MAC_BCAST.isOnos());
        assertFalse(MAC_MCAST.isOnos());
        assertFalse(MAC_MCAST_2.isOnos());
        assertFalse(MAC_LLDP.isOnos());
        assertFalse(MAC_LLDP_2.isOnos());
        assertFalse(MAC_LLDP_3.isOnos());
        assertTrue(MAC_ONOS.isOnos());
    }