rafthttp: improve start/stop logging
rafthttp: improve start/stop logging

a-robinson/etcd,hpcloud/etcd,StorReduce/etcd,combk8s/etcd,Eagle-X/etcd,HideoYamauchi/etcd,elimisteve/etcd,jeremyeder/etcd,ktateish/etcd,onlyjob/etcd,yichengq/etcd,freeloop1114/etcd,jmptrader/etcd,bakins/etcd,etcd-io/etcd,jchauncey/etcd,tamird/etcd,tguangch/etcd,chipironcin/etcd,hongbinz/etcd,qqsun8819/etcd,freeloop1114/etcd,hongbinz/etcd,arthurcolle/etcd,mkumatag/etcd,nkhare/etcd,vimalk78/etcd,shakefu/etcd,xebitstudios/etcd,ylong/etcd,OyTao/etcd_learning,wantonsolutions/dinv-etcd,gityf/etcd,lumjjb/etcd,mwitkow/etcd,YuleiXiao/etcd,pengzj/etcd,njharman/etcd,princeqjzh/etcd,lorneli/etcd,mike-lerch/etcd,OyTao/etcd_learning,CrazyJvm/etcd,coreos/etcd,glycerine/etcd,handsomesun/etcd,yyljlyy/etcd,xueshanf/etcd,achanda/etcd,onlyjob/etcd,wowsoso/etcd,njucslqq/etcd,axingblog/etcd,axingblog/etcd,crandles/etcd,svdata/etcd,glycerine/etcd,mqliang/etcd,dannysauer/etcd,insionng/etcd,jchauncey/etcd,sinsharat/etcd,nkhare/etcd,dnaeon/etcd,mitake/etcd,luxas/etcd,a-robinson/etcd,spacejam/etcd,cchamplin/etcd,insequent/etcd,coreos/etcd,armstrongli/etcd,Winslett/etcd,bspline/etcd,robszumski/etcd,bluebreezecf/etcd,qqsun8819/etcd,robszumski/etcd,fanminshi/etcd,QuantiumTechnology/etcd,cognusion/etcd,rnaveiras/etcd,arthurcolle/etcd,xychu/etcd,mickep76/etcd,yudai/etcd,mkumatag/etcd,msanterre/etcd,steveeJ/etcd,TheHippo/etcd,youxidev/etcd,wfxiang08/etcd,lorneli/etcd,glevand/coreos--etcd,snailwalker/etcd,jlamillan/etcd,gae123/etcd,gtank/etcd,openedbox/etcd,insequent/etcd,ajityagaty/etcd,Timer/etcd,snailwalker/etcd,ajityagaty/etcd,tangkun75/etcd,justintung/etcd,shakefu/etcd,swingbach/etcd,gosharplite/etcd,giantswarm/etcd,sebrandon1/etcd,ravigadde/etcd,chai2010/etcd,tangkun75/etcd,xychu/etcd,linuxcer/etcd,SivagnanamCiena/etcd,es-chow/etcd,sayden/etcd,cchamplin/etcd,mischief/etcd,csuideal/etcd,chenbaihu/etcd,pauldallen/etcd,barakmich/etcd,betawaffle/etcd,raoofm/etcd,hroyrh/etcd,xueshanf/etcd,siddontang/etcd,fasaxc/etcd,devfreesg/etcd,hongchaodeng/etcd,gyuho/etcd,Winslett/etcd,improbable-io/etcd,fgbreel/etcd,wantonsolutions/dinv-etcd,Timer/etcd,mwitkow-io/etcd,sebrandon1/etcd,endocode/etcd,elimisteve/etcd,spacejam/etcd,zaphod-concur/etcd,jravetch/etcd,glevand/coreos--etcd,purpleidea/etcd,offscale/etcd,Eagle-X/etcd,hpcloud/etcd,Yhgenomics/etcd,plasticbox/etcd,dalanlan/etcd,asim/etcd,chipironcin/etcd,jonboulle/etcd,barakmich/etcd,joshix/etcd,beni55/etcd,mickep76/etcd,bluebreezecf/etcd,shawnps/etcd,shafreeck/etcd,ecnahc515/etcd,mwitkow/etcd,gyuho/etcd,visheshnp/etcd,dalanlan/etcd,jlamillan/etcd,justintung/etcd,crandles/etcd,wowsoso/etcd,glensc/etcd,akauppi/etcd,sayden/etcd,mwitkow-io/etcd,ecnahc515/etcd,insionng/etcd,delkyd/etcd,mgoelzer/etcd-fork2,oscarrr110/etcd,mqliang/etcd,xiang90/etcd,gae123/etcd,lzbgt/etcd,princeqjzh/etcd,ylong/etcd,oscarrr110/etcd,jonboulle/etcd,cognusion/etcd,combk8s/etcd,gityf/etcd,bspline/etcd,bdarnell/etcd,whuwxl/etcd,msanterre/etcd,njucslqq/etcd,QuantiumTechnology/etcd,gouyang/etcd,qiaochao911/etcd,mischief/etcd,es-chow/etcd,junxu/etcd,chai2010-playground/etcd,pengzj/etcd,CrazyJvm/etcd,buaazp/etcd,chai2010/etcd,westhood/etcd,iamqizhao/etcd,plasticbox/etcd,jefby/etcd,devfreesg/etcd,lumjjb/etcd,gosharplite/etcd,Yhgenomics/etcd,xdlinear/etcd,achanda/etcd,mike-lerch/etcd,luxas/etcd,yudai/etcd,siddontang/etcd,nieanan/etcd,olark/etcd,sinsharat/etcd,steveeJ/etcd,SivagnanamCiena/etcd,heyitsanthony/etcd,offscale/etcd,imzhulei/etcd,shafreeck/etcd,asim/etcd,yifan-gu/etcd,YuleiXiao/etcd,handsomesun/etcd,kingland/etcd,rnaveiras/etcd,armstrongli/etcd,yyljlyy/etcd,mgoelzer/etcd-fork2,sebschrader/etcd,li-ang/etcd,chai2010-playground/etcd,rnaveiras/etcd,chenbaihu/etcd,openedbox/etcd,jravetch/etcd,hroyrh/etcd,fgbreel/etcd,ajityagaty/etcd,tempbottle/etcd,akauppi/etcd,yifan-gu/etcd,sofuture/etcd,glensc/etcd,hongchaodeng/etcd,polvi/etcd,tguangch/etcd,tamird/etcd,honeyqa/etcd,kkaneda/etcd,hzy001/etcd,olark/etcd,wantonsolutions/dinv-etcd,rchicoli/etcd,xiang90/etcd,pauldallen/etcd,StorReduce/etcd,junxu/etcd,rchicoli/etcd,fanminshi/etcd,bakins/etcd,nekto0n/etcd,li-ang/etcd,csuideal/etcd,xdlinear/etcd,iamqizhao/etcd,hzy001/etcd,heyitsanthony/etcd,nieanan/etcd,ravigadde/etcd,fasaxc/etcd,improbable-io/etcd,whuwxl/etcd,etcd-io/etcd,yichengq/etcd,dnaeon/etcd,dannysauer/etcd,joshix/etcd,gouyang/etcd,visheshnp/etcd,njharman/etcd,nekto0n/etcd,qiaochao911/etcd,HideoYamauchi/etcd,youxidev/etcd,shawnps/etcd,jefby/etcd,sebschrader/etcd,swingbach/etcd,bdarnell/etcd,giantswarm/etcd,betawaffle/etcd,etcd-io/etcd,polvi/etcd,linuxcer/etcd,kingland/etcd,cockroachdb/etcd,vimalk78/etcd,delkyd/etcd,lzbgt/etcd,fasaxc/etcd,svdata/etcd,gtank/etcd,cockroachdb/etcd,mkumatag/etcd,zaphod-concur/etcd,raoofm/etcd,xebitstudios/etcd,mqliang/etcd,ktateish/etcd,kkaneda/etcd,jeremyeder/etcd,TheHippo/etcd,westhood/etcd,buaazp/etcd,sofuture/etcd,endocode/etcd,imzhulei/etcd,beni55/etcd,jmptrader/etcd,mitake/etcd,wfxiang08/etcd,purpleidea/etcd,honeyqa/etcd,tempbottle/etcd