Your IP is sending SYNFloods 

Date first seen          Duration Proto           IP Addr    Flows(%)     Packets(%)       Bytes(%)         pps      bps   bpp

2015-06-20 16:37:26.302     0.211 any       69.197.156.11        2( 0.0)    16384( 0.0)   17.4 M( 0.0)    77649  661.6 M  1065

Requested more information and Null routed the IP