Why would sendto() on a udp socket set in non blocking mode takes 10 ms about every 1 per second while the other calls 
to sendto() are very fast.  If the buffer is full shouldn't it return with -1.  That's with io-net 6.3.2.

I can see the call being block  for 10ms via the profiler ( a write to io-net ).  Yet the CPU is almost idle during this
 10ms.


- Mario