Use either the system root pool or an empty cert pool with custom CA roots, and not a joint system+custom CA roots pool, when connecting from a docker client to a remote daemon.
Use either the system root pool or an empty cert pool with custom CA roots,
and not a joint system+custom CA roots pool, when connecting from a docker
client to a remote daemon.

Signed-off-by: Ying Li <f39392f1e2d21dabc2bc5ab11d2bf832bde87b60@docker.com>

miminar/docker,vdemeester/docker,ColinHebert/docker,erikh/docker,moul/docker,charleszheng44/moby,shhsu/docker,jwhonce/docker,YuPengZTE/docker,amatsus/docker,Mokolea/docker,charleszheng44/moby,YuPengZTE/docker,nalind/docker,erikh/docker,mikebrow/docker,whuwxl/docker,jameszhan/docker,konstruktoid/docker-upstream,alfred-landrum/docker,kolyshkin/docker,michael-holzheu/docker,JMesser81/docker,djs55/docker,prertik/docker,coreos/docker,ffoysal/docker,djs55/docker,jwhonce/docker,tmp6154/docker,lixiaobing10051267/docker,rhatdan/docker,sterchelen/docker,jlhawn/docker,mike1729/docker,sarnautov/moby,tklauser/docker,michael-holzheu/docker,tophj-ibm/docker,mtesselH/docker,Mokolea/docker,kolyshkin/docker,ripcurld0/moby,yongtang/docker,docker/docker,shhsu/docker,Mokolea/docker,nalind/docker,crosbymichael/docker,x1022as/docker,moul/docker,tmp6154/docker,tklauser/docker,danyalKhaliq10p/moby,paralin/docker,raja-sami-10p/moby,moby/moby,KarthikNayak/docker,kojiromike/docker,moypray/docker,dperny/docker,jimjag/docker,justincormack/docker,allencloud/docker,coolljt0725/docker,nawawi/docker,fcrisciani/docker,jimjag/docker,naveed-jamil-tenpearls/moby,flavio/docker,thtanaka/docker,shishir-a412ed/docker,scotttlin/docker,haveatry/docker,trebonian/docker,fcrisciani/docker,dccurtis/docker,mtesselH/docker,akira-baruah/docker,moby/moby,sarnautov/moby,konstruktoid/docker-upstream,pramodhkp/moby,michael-holzheu/docker,madhanrm/docker,jthelin/docker,danyalKhaliq10p/moby,ibuildthecloud/docker,mike1729/docker,gnailuy/docker,laijs/docker,SvenDowideit/docker,laijs/docker,whuwxl/docker,yummypeng/docker,tophj-ibm/moby,cyphar/docker,cpuguy83/docker,alfred-landrum/docker,Syntaxide/docker,nawawi/docker,imkin/moby,whuwxl/docker,nalind/docker,PatrickLang/moby,tmp6154/docker,jimjag/docker,rancher/docker,coolljt0725/docker,lixiaobing10051267/docker,dsheets/moby,bonczj/moby-json-file-logger,pradipd/moby,naveed-jamil-tenpearls/moby,PatrickLang/moby,KarthikNayak/docker,tianon/docker,allencloud/docker,x1022as/docker,diogomonica/docker,mahak/docker,mstanleyjones/docker,srust/docker,rancher/docker,ibuildthecloud/docker,ndeloof/docker,sdurrheimer/docker,paralin/docker,lixiaobing10051267/docker,estesp/docker,ffoysal/docker,bonczj/moby-json-file-logger,ndeloof/docker,mikebrow/docker,jameszhan/docker,konstruktoid/docker-1,maxamillion/docker,kojiromike/docker,yummypeng/docker,paralin/docker,prertik/docker,imkin/moby,gschaetz/moby,dmcgowan/docker,laijs/moby,trebonian/docker,moul/docker,gschaetz/moby,shishir-a412ed/docker,resin-io/docker,mike1729/docker,charleszheng44/moby,dccurtis/docker,akira-baruah/docker,laijs/moby,duglin/docker,bearstech/moby,dims/docker,ripcurld0/moby,yosifkit/docker,danyalKhaliq10p/moby,konstruktoid/docker-upstream,KingEmet/docker,laijs/docker,mikebrow/docker,justincormack/docker,ibuildthecloud/docker,thaJeztah/docker,yasiramin10p/moby,thaJeztah/docker,dsheets/moby,imkin/moby,konstruktoid/docker-1,ibuildthecloud/docker,mstanleyjones/docker,allencloud/docker,yummypeng/docker,catinthesky/docker,tophj-ibm/docker,mahak/docker,thaJeztah/docker,diogomonica/docker,shhsu/docker,Syntaxide/docker,dperny/docker,coreos/docker,unclejack/docker,gnailuy/docker,tophj-ibm/moby,pramodhkp/moby,AkihiroSuda/docker,ibuildthecloud/docker,johnstep/moby-moby,rhatdan/docker,bearstech/moby,liaoqingwei/docker,yongtang/docker,flavio/docker,yasiramin10p/moby,paralin/docker,moby/moby,yosifkit/docker,bearstech/moby,scotttlin/docker,unclejack/docker,KingEmet/docker,nawawi/docker,hqhq/moby,justincormack/docker,kolyshkin/moby,haveatry/docker,yosifkit/docker,darrenstahlmsft/docker,alfred-landrum/docker,thaJeztah/docker,rancher/docker,cpuguy83/docker,ripcurld0/moby,mahak/docker,estesp/docker,darrenstahlmsft/moby,jvanz/docker,SvenDowideit/docker,tonistiigi/docker,POLJM242/docker,mkumatag/docker,mahak/docker,duglin/docker,nawawi/docker,miminar/docker,KarthikNayak/docker,ffoysal/docker,bearstech/moby,mkumatag/docker,lixiaobing1/docker,mixja/docker,mixja/docker,crosbymichael/docker,dims/docker,shishir-a412ed/docker,coreos/docker,dperny/docker,jlhawn/docker,bonczj/moby-json-file-logger,gschaetz/moby,jwhonce/docker,kencochrane/docker,ColinHebert/docker,noironetworks/docker,srust/docker,rremer/moby,cyphar/docker,johnstep/moby-moby,darrenstahlmsft/moby,sarnautov/moby,JMesser81/docker,haveatry/docker,hqhq/moby,cpuguy83/docker,tianon/docker,cyphar/docker,pradipd/moby,KingEmet/docker,gnailuy/docker,rhatdan/docker,liaoqingwei/docker,sterchelen/docker,amatsus/docker,jvanz/docker,cpuguy83/docker,dmcgowan/docker,tophj-ibm/docker,thtanaka/docker,AkihiroSuda/docker,kolyshkin/moby,jlhawn/docker,Ramzec/docker,lixiaobing1/docker,jimjag/docker,darrenstahlmsft/docker,fcrisciani/docker,madhanrm/docker,x1022as/docker,POLJM242/docker,kolyshkin/moby,raja-sami-10p/moby,kencochrane/docker,SvenDowideit/docker,liaoqingwei/docker,jameszhan/docker,ndeloof/docker,noironetworks/docker,gjaskiewicz/moby,trebonian/docker,YuPengZTE/docker,coolljt0725/docker,moypray/docker,Ramzec/docker,yongtang/docker,scotttlin/docker,srust/docker,dccurtis/docker,yasiramin10p/moby,estesp/docker,flavio/docker,noironetworks/docker,gjaskiewicz/moby,miminar/docker,laijs/moby,mixja/docker,crosbymichael/docker,thtanaka/docker,jvanz/docker,Ramzec/docker,mtesselH/docker,prertik/docker,docker/docker,djs55/docker,kencochrane/docker,dims/docker,catinthesky/docker,vdemeester/docker,johnstep/moby-moby,unclejack/docker,JMesser81/docker,AkihiroSuda/docker,madhanrm/docker,sdurrheimer/docker,moypray/docker,moby/moby,resin-io/docker,rremer/moby,hqhq/moby,vdemeester/docker,Mokolea/docker,nalind/docker,flavio/docker,jthelin/docker,darrenstahlmsft/docker,tophj-ibm/moby,rremer/moby,kojiromike/docker,mstanleyjones/docker,lixiaobing1/docker,tonistiigi/docker,tklauser/docker,catinthesky/docker,maxamillion/docker,amatsus/docker,maxamillion/docker,raja-sami-10p/moby,Ramzec/docker,resin-io/docker,moul/docker,dsheets/moby,ColinHebert/docker,tonistiigi/docker,trebonian/docker,gjaskiewicz/moby,gnailuy/docker,darrenstahlmsft/moby,sterchelen/docker,docker/docker,sdurrheimer/docker,erikh/docker,PatrickLang/moby,konstruktoid/docker-1,duglin/docker,yosifkit/docker,konstruktoid/docker-upstream,Syntaxide/docker,AkihiroSuda/docker,pramodhkp/moby,pradipd/moby,mkumatag/docker,diogomonica/docker,dmcgowan/docker,naveed-jamil-tenpearls/moby