I'm sending 17-bytes packets, and I'm systematically losing 1571 bytes after 2560.  No loss afterwards.  Any idea what can cause that?
```
94 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff
95 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff
96 00 11 22 33 44 55 66 77 88 f3 00 11 22 33 44 55
66 77 88 99 aa bb cc dd ee ff f4 00 11 22 33 44 55
66 77 88 99 aa bb cc dd ee ff f5 00 11 22 33 44 55
66 77 88 99 aa bb cc dd ee ff f6 00 11 22 33 44 55
```