I see, but it seems there is a bug anyway. Feel free to open a bug report here https://github.com/luigirizzo/netmap/issues if you wish. 2017-11-07 21:13 GMT+01:00 Joe Buehler <aspam at cox.net>: > Decreasing buf_num to 32768 eliminated the allocation failure. > > Joe Buehler > -- Vincenzo Maffione