test_data/of15/hello_failed_error_msg.data

-- binary
06 01 # version / type
00 0f # length
12 34 56 78 # xid
00 00 # err_type
00 00 # code
61 62 63 # data
-- java
builder
        .setXid(0x12345678)
        .setCode(OFHelloFailedCode.INCOMPATIBLE)
        .setData(OFErrorCauseData.of(new byte[] { 0x61, 0x62, 0x63 }, OFVersion.OF_15));