public short encapEthType() {
        return encapEthType;
    }
@Test
    public void testConstruction() {
        final NiciraEncapEthType encapEthType = new NiciraEncapEthType(ethType1);
        assertThat(encapEthType, is(notNullValue()));
        assertThat(encapEthType.encapEthType(), is(ethType1));
    }