-- binary
04 13 # version, type
00 50 # length
12 34 56 78 # xid
ff ff # stats_type
00 00 # flags
00 00 00 00 # pad
00 5c 16 c7 # experimenter
00 00 00 8 # subtype
# entries[0]
00 18 # length
00 00 # pad
00 00 00 03 # port
12 34 56 78 9a bc de f0 # values[0]
11 22 33 44 55 66 77 88 # values[1]
# entries[0]
00 20 # length
00 00 # pad
00 00 00 04 # port
12 34 56 78 9a bc de f0 # values[0]
11 22 33 44 55 66 77 88 # values[1]
ff ff ff ff ff ff ff ff # values[2]
-- python
ofp.message.bsn_port_counter_stats_reply(
    xid=0x12345678,
    flags=0,
    entries=[
        ofp.bsn_port_counter_stats_entry(
            port_no=3,
            values=[
                ofp.uint64(0x123456789abcdef0),
                ofp.uint64(0x1122334455667788),
            ]),
        ofp.bsn_port_counter_stats_entry(
            port_no=4,
            values=[
                ofp.uint64(0x123456789abcdef0),
                ofp.uint64(0x1122334455667788),
                ofp.uint64(0xffffffffffffffff),
            ])
    ]
)