CC3200: CC3200 MQTT client code, UART continually print ‘unknown’ information

Hi 

when I use the sample code of CC3200 MQTT client code, the UART continually below information. The communication function is correct. I want to know what these information means and how to clear these information

C: FH-B1 0x31 to net 16, Sent (74 Bytes) [@ 29]

C: Alloc for 3 200266c0