Well, with the new wallet and a p2pool code, my node found 3 blocks of 13:
2017-02-08 03:52:40.148906 GOT BLOCK FROM MINER! Passing to dashd! https://explorer.dash.org/block/0000000000000bb76e1af3fc46058a56b4e273b3e666cf901952cd9d6234e044
2017-02-08 03:59:22.498329 GOT BLOCK FROM MINER! Passing...