transport: remove debug logs, finish stuff from my earlier commit
transport: remove debug logs, finish stuff from my earlier commit

golang/net,cesanta/goxnet,cmars/tools,albertjin/golang-net,raboof/net,cmars/tools,cesanta/goxnet,gomini/net,cmars/tools,cmars/tools,DramaFever/golang.org-x-net,gomini/net,DramaFever/golang.org-x-net,raboof/net,albertjin/golang-net