Callback timing issue BULK TRANSFERS

 Hi, I have an issue I can't explain.

I submit two bulk transfers:

   1. transfer OUT
   2. transfer IN

Tranafer IN is submitted only when transfer OUT is submitted successfully.


Sometimes I enter in the callback of the transfer OUT after the callback of
the transfer-IN....  
They have same buffer size.

I am sending 1. and 2. continuously and I have this issue only with the
first two transfers.

If somebody can help thanks





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