0       string  NPFF       Nitpicker Flow File 
>4      byte    x          V%d.
>5      byte    x          %d
>6      bedate  x          started: %s
>10     bedate  x          stopped: %s
>14     belong  x          Bytes: %u
>18     belong  x          Bytes1: %u
>22     belong  x          Flows: %u
>26     belong  x          Pkts: %u