-- binary
05 13 # version/type
00 d8 # length
00 00 00 05 # xid
00 04 # stats_type
00 00 # flags
00 00 00 00 # pad
00 78 # entries[0].length
00 00 # pad
00 00 00 01 # entries[0].port_no
00 00 00 00 # entries[0].duration_sec
00 00 00 00 # entries[0].duration_nsec
00 00 00 00 00 00 00 01 # entries[0].rx_packets
00 00 00 00 00 00 00 00 # entries[0].tx_packets
00 00 00 00 00 00 00 00 # entries[0].rx_bytes
00 00 00 00 00 00 00 00 # entries[0].tx_bytes
00 00 00 00 00 00 00 00 # entries[0].rx_dropped
00 00 00 00 00 00 00 00 # entries[0].tx_dropped
00 00 00 00 00 00 00 00 # entries[0].rx_errors
00 00 00 00 00 00 00 02 # entries[0].tx_errors
00 00 # entries[0].properties[0].type (ethernet)
00 28 # entries[0].properties[0].length 
00 00 00 00 # pad
00 00 00 00 00 00 00 01 # entries[0].properties[0].rx_frame_err
00 00 00 00 00 00 00 02 # entries[0].properties[0].rx_over_err
00 00 00 00 00 00 00 03 # entries[0].properties[0].rx_crc_err
00 00 00 00 00 00 00 04 # entries[0].properties[0].collisions
00 50 # entries[1].length
00 00 # pad
ff ff ff fe # entries[1].port_no
00 00 00 00 # entries[1].duration_sec
00 00 00 00 # entries[1].duration_nsec
00 00 00 00 00 00 00 03 # entries[1].rx_packets
00 00 00 00 00 00 00 00 # entries[1].tx_packets
00 00 00 00 00 00 00 00 # entries[1].rx_bytes
00 00 00 00 00 00 00 00 # entries[1].tx_bytes
00 00 00 00 00 00 00 00 # entries[1].rx_dropped
00 00 00 00 00 00 00 00 # entries[1].tx_dropped
00 00 00 00 00 00 00 00 # entries[1].rx_errors
00 00 00 00 00 00 00 04 # entries[1].tx_errors
-- python
ofp.message.port_stats_reply(
    xid=5, flags=0, entries=[
        ofp.port_stats_entry(port_no=1, rx_packets=1, tx_errors=2,
            properties=[
                ofp.port_stats_prop.ethernet(
                    rx_frame_err=1,
                    rx_over_err=2,
                    rx_crc_err=3,
                    collisions=4)]),
        ofp.port_stats_entry(port_no=ofp.OFPP_LOCAL, rx_packets=3, tx_errors=4)])
-- c
obj = of_port_stats_reply_new(OF_VERSION_1_4);
{
    of_object_t list;
    of_port_stats_reply_entries_bind(obj, &list);
    {
        of_object_t *obj = of_port_stats_entry_new(OF_VERSION_1_4);
        of_port_stats_entry_port_no_set(obj, 1);
        of_port_stats_entry_rx_packets_set(obj, 1);
        of_port_stats_entry_tx_packets_set(obj, 0);
        of_port_stats_entry_rx_bytes_set(obj, 0);
        of_port_stats_entry_tx_bytes_set(obj, 0);
        of_port_stats_entry_rx_dropped_set(obj, 0);
        of_port_stats_entry_tx_dropped_set(obj, 0);
        of_port_stats_entry_rx_errors_set(obj, 0);
        of_port_stats_entry_tx_errors_set(obj, 2);

        /* Append property */
        {
            of_object_t list;
            of_port_stats_entry_properties_bind(obj, &list);
            {
                of_object_t *obj = of_port_stats_prop_ethernet_new(OF_VERSION_1_4);
                of_port_stats_prop_ethernet_rx_frame_err_set(obj, 1);
                of_port_stats_prop_ethernet_rx_over_err_set(obj, 2);
                of_port_stats_prop_ethernet_rx_crc_err_set(obj, 3);
                of_port_stats_prop_ethernet_collisions_set(obj, 4);
                of_list_append(&list, obj);
                of_object_delete(obj);
            }
        }


        of_list_append(&list, obj);
        of_object_delete(obj);
    }
    {
        of_object_t *obj = of_port_stats_entry_new(OF_VERSION_1_4);
        of_port_stats_entry_port_no_set(obj, OF_PORT_DEST_LOCAL);
        of_port_stats_entry_rx_packets_set(obj, 3);
        of_port_stats_entry_tx_packets_set(obj, 0);
        of_port_stats_entry_rx_bytes_set(obj, 0);
        of_port_stats_entry_tx_bytes_set(obj, 0);
        of_port_stats_entry_rx_dropped_set(obj, 0);
        of_port_stats_entry_tx_dropped_set(obj, 0);
        of_port_stats_entry_rx_errors_set(obj, 0);
        of_port_stats_entry_tx_errors_set(obj, 4);
        of_list_append(&list, obj);
        of_object_delete(obj);
    }
}
of_port_stats_reply_flags_set(obj, 0);
of_port_stats_reply_xid_set(obj, 5);