mimic failure for non-sending msgs as well in rpc session's sending queue
mimic failure for non-sending msgs as well in rpc session's sending queue

qinzuoyan/rDSN,imzhenyu/rDSN,qinzuoyan/rDSN,imzhenyu/rDSN,shengofsun/rDSN,lshmouse/rDSN,lshmouse/rDSN,glglwty/rDSN,shengofsun/rDSN,lshmouse/rDSN,Microsoft/rDSN,ykwd/rDSN,mcfatealan/rDSN,qinzuoyan/rDSN,imzhenyu/rDSN,lshmouse/rDSN,pandaworrior/rDSN,Microsoft/rDSN,imzhenyu/rDSN,pandaworrior/rDSN,qinzuoyan/rDSN,imzhenyu/rDSN,qinzuoyan/rDSN,ykwd/rDSN,ykwd/rDSN,shengofsun/rDSN,shengofsun/rDSN,qinzuoyan/rDSN,imzhenyu/rDSN,mcfatealan/rDSN,shengofsun/rDSN,glglwty/rDSN,ykwd/rDSN,lshmouse/rDSN,pandaworrior/rDSN,mcfatealan/rDSN,imzhenyu/rDSN,imzhenyu/rDSN,glglwty/rDSN,qinzuoyan/rDSN,Microsoft/rDSN,Microsoft/rDSN,ykwd/rDSN,glglwty/rDSN,shengofsun/rDSN,Microsoft/rDSN,shengofsun/rDSN,mcfatealan/rDSN,Microsoft/rDSN,pandaworrior/rDSN,Microsoft/rDSN,qinzuoyan/rDSN,lshmouse/rDSN,shengofsun/rDSN,lshmouse/rDSN,glglwty/rDSN,lshmouse/rDSN,Microsoft/rDSN,pandaworrior/rDSN