RelayRequest: make double response logs consistent
RelayRequest: make double response logs consistent

chenwenbin928/tchannel,RyanTech/tchannel,i/tchannel,bunnyblue/tchannel,vanloswang/tchannel,chenwenbin928/tchannel,i/tchannel,sasa233/tchannel,bunnyblue/tchannel,chenwenbin928/tchannel,benfleis/tchannel,i/tchannel,hustxiaoc/tchannel,Zirpon/tchannel,vanloswang/tchannel,sasa233/tchannel,savaki/tchannel,benfleis/tchannel,hustxiaoc/tchannel,RyanTech/tchannel,Zirpon/tchannel,savaki/tchannel,savaki/tchannel,benfleis/tchannel,vanloswang/tchannel,Zirpon/tchannel,sasa233/tchannel,bunnyblue/tchannel,RyanTech/tchannel,hustxiaoc/tchannel