remove syn retransmision
remove syn retransmision

caosiyang/tcpcopy,sshling/tcpcopy,sshling/tcpcopy,wfxiang08/tcpcopy,ycaihua/tcpcopy,caosiyang/tcpcopy,eliteYang/tcpcopy,liviusATnetskope/second,left2right/tcpcopy,wfxiang08/tcpcopy,eliteYang/tcpcopy,left2right/tcpcopy,ycaihua/tcpcopy,horryq/tcpcopy,u20024804/tcpcopy,liviusATnetskope/second,u20024804/tcpcopy,daodaoliang/tcpcopy,daodaoliang/tcpcopy,horryq/tcpcopy