add log for nfqueue
add log for nfqueue

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