public List<NeighborDiscoveryOptions.Option> getOptions() {
        return this.options.options();
    }
@Test
    public void testDeserialize() throws Exception {
        RouterSolicitation rs = deserializer.deserialize(bytePacket, 0, bytePacket.length);

        // Check the option(s)
        assertThat(rs.getOptions().size(), is(1));
        NeighborDiscoveryOptions.Option option = rs.getOptions().get(0);
        assertThat(option.type(),
                   is(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS));
        assertArrayEquals(option.data(), MAC_ADDRESS1.toBytes());
    }