add warning if upgrading via script to migrate
add warning if upgrading via script to migrate

Signed-off-by: Jessica Frazelle <e0d1a862d8f31af605ecef8c92857b8938ba622e@docker.com>

TheBigBear/docker,dmcgowan/docker,Altiscale/docker,bearstech/moby,hyperhq/hypercli,thtanaka/docker,Syntaxide/docker,jongiddy/docker,twaugh/docker,runcom/docker,mtanlee/docker,jlebon/docker,Mokolea/docker,nigelpoulton/docker,inatatsu/docker,gnailuy/docker,icaoweiwei/docker,anweiss/docker.github.io,mathewkoshy493/docker,mtesselH/docker,kimh/docker,bearstech/moby,asbjornenge/docker,qudongfang/docker,KarthikNayak/docker,denverdino/denverdino.github.io,rhatdan/docker,shishir-a412ed/docker,michelvocks/docker,moxiegirl/docker,skatsuta/docker,mikebrow/docker,jimjag/docker,alfred-landrum/docker,fsoppelsa/docker,maxamillion/docker,jvanz/docker,wenchma/docker,docker/docker.github.io,akira-baruah/docker,sanjeo/docker,qudongfang/docker,cpuguy83/docker,ckeyer/docker,ripcurld0/moby,mohmost12/docker,luxas/docker,joaofnfernandes/docker.github.io,yp-engineering/docker,qudongfang/docker,isubuz/docker,raja-sami-10p/moby,bdwill/docker.github.io,kyle-wang/docker,denverdino/docker.github.io,londoncalling/docker.github.io,bdwill/docker.github.io,Ramzec/docker,YuPengZTE/docker,londoncalling/docker.github.io,mixja/docker,JMesser81/docker,kunalkushwaha/docker,sarnautov/moby,mikebrow/docker,ColinHebert/docker,nawawi/docker,ffoysal/docker,thaJeztah/docker,fangyuan930917/docker,pramodhkp/moby,bdwill/docker.github.io,gigidwan/docker,fangyuan930917/docker,containers/storage,pyotr777/docker,bfirsh/docker,naveed-jamil-tenpearls/moby,abhinavdahiya/docker,darrenstahlmsft/moby,sunyuan3/docker,justyntemme/docker,dsau/docker,naveed-jamil-tenpearls/moby,YuPengZTE/docker,sallyom/docker,sheimi/docker,hqhq/moby,vdemeester/docker,cnaize/docker,Syntaxide/docker,alfred-landrum/docker,yp-engineering/docker,menglingwei/denverdino.github.io,noironetworks/docker,DoraALin/docker,justincormack/docker,eskaaren/docker,londoncalling/docker.github.io,thaJeztah/docker.github.io,docker/docker,mikedougherty/docker,mike1729/docker,kerneltime/docker,rremer/moby,bearstech/moby,kyle-wang/docker,pyotr777/docker,mgoelzer/docker,nguyentm83/docker,LaynePeng/docker,aidanhs/docker,rremer/moby,mahak/docker,icaoweiwei/docker,sheimi/docker,yummypeng/docker,tagomoris/docker,gao-feng/docker,miminar/docker,srust/docker,djs55/docker,BenHall/docker,BenHall/docker,brahmaroutu/docker,rhardih/docker,moby/moby,skatsuta/docker,gdevillele/docker.github.io,joeuo/docker.github.io,splunk/docker,geekylucas/docker,Ramzec/docker,nghiant2710/docker,nghiant2710/docker,anujbahuguna/docker,unclejack/docker,johnstep/docker.github.io,YujiOshima/docker,johnstep/moby-moby,scotttlin/docker,moul/docker,dperny/docker,toli/docker,JimGalasyn/docker.github.io,13W/docker,projectatomic/docker,jvanz/docker,zhangjianfnst/docker,srust/docker,cmehay/docker-1,denverdino/denverdino.github.io,troy0820/docker.github.io,contiv/docker,bdwill/docker.github.io,tkopczynski/docker,thtanaka/docker,rillig/docker.github.io,ncdc/docker,stainboy/docker,lixiaobing10051267/docker,YujiOshima/docker,davinashreddy/docker,nigelpoulton/docker,scotttlin/docker,tianon/docker,jwhonce/docker,icaoweiwei/docker,haveatry/docker,OnePaaS/docker,ivansaracino/docker,luxas/docker,imeoer/hypercli,kojiromike/docker,jameszhan/docker,thtanaka/docker,HideoYamauchi/docker,portworx/docker,yummypeng/docker,Altiscale/docker,joaofnfernandes/docker.github.io,erikh/docker,yosifkit/docker,JMesser81/docker,crosbymichael/docker,afein/docker,ivansaracino/docker,shishir-a412ed/docker,michael-holzheu/docker,lixiaobing1/docker,gnailuy/docker,kencochrane/docker,tophj-ibm/moby,allencloud/docker,14rcole/docker,sheimi/docker,tpounds/docker,moby/moby,ncdc/docker,fsoppelsa/docker,lixiaobing10051267/docker,jhorwit2/docker,mathewkoshy493/docker,hqhq/moby,alexisbellido/docker.github.io,scollier/docker,bonczj/moby-json-file-logger,ZJUshuaizhou/docker,johnstep/docker.github.io,KarthikNayak/docker,madhanrm/docker,mohmost12/docker,hustcat/docker,rhatdan/storage,dnephin/docker,tmp6154/docker,TrumanLing/docker,jc-m/docker,anweiss/docker.github.io,justincormack/docker,bearstech/moby,jzwlqx/denverdino.github.io,xiaods/docker,sanscontext/docker.github.io,liaoqingwei/docker,mgoelzer/docker,YuPengZTE/docker,Mokolea/docker,ZJU-SEL/docker,Shopify/docker,stevvooe/docker,joeuo/docker.github.io,joeuo/docker.github.io,joaofnfernandes/docker.github.io,alexisbellido/docker.github.io,mtrmac/docker,paralin/docker,Mashimiao/docker,portworx/docker,kunalkushwaha/docker,thaJeztah/docker.github.io,mstanleyjones/docker,q384566678/docker,cnaize/docker,icecrime/docker,danix800/docker.github.io,liaoqingwei/docker,AkihiroSuda/docker,tophj-ibm/docker,eskaaren/docker,haveatry/docker,sterchelen/docker,ailispaw/docker,danix800/docker.github.io,vdemeester/docker,cyli/docker,diogomonica/docker,msabansal/docker,coolljt0725/docker,mike1729/docker,Microsoft/docker,splunk/docker,brahmaroutu/docker,anortef/docker,sanscontext/docker.github.io,bluebreezecf/docker,sean-jc/docker,BenHall/docker,vijaykilari/docker,medallia/docker,containers/storage,xiaods/docker,endophage/docker,rhatdan/docker,ibuildthecloud/docker,trebonian/docker,x1022as/docker,harche/docker,KingEmet/docker,noxiouz/docker,estesp/docker,yongtang/docker,denverdino/denverdino.github.io,thaJeztah/docker,mikebrow/docker,JeffBellegarde/docker,tklauser/docker,tophj-ibm/docker,hypriot/docker,denverdino/docker.github.io,gjaskiewicz/moby,mahak/docker,noironetworks/docker,troy0820/docker.github.io,TrumanLing/docker,alexisbellido/docker.github.io,mtanlee/docker,laijs/docker,geekylucas/docker,anweiss/docker.github.io,noxiouz/docker,sarnautov/moby,jzwlqx/denverdino.github.io,erikh/docker,vijaykilari/docker,msabansal/docker,TheBigBear/docker,Morsicus/docker,danyalKhaliq10p/moby,cpuguy83/docker,gdevillele/docker.github.io,danix800/docker.github.io,dmcgowan/docker,sterchelen/docker,pramodhkp/moby,cpuguy83/docker,prertik/docker,BSWANG/denverdino.github.io,mkumatag/docker,kolyshkin/moby,shin-/docker.github.io,moul/docker,sanjeo/docker,tkopczynski/docker,tianon/docker,stainboy/docker,solganik/docker,madhanrm/docker,mstanleyjones/docker,gschaetz/moby,phiroict/docker,upmio/docker,jlhawn/docker,sallyom/docker,pramodhkp/moby,ripcurld0/moby,rillig/docker.github.io,HideoYamauchi/docker,moby/moby,Shopify/docker,resin-io/docker,docker/docker.github.io,13W/docker,charleswhchan/docker,yosifkit/docker,jwhonce/docker,tonistiigi/docker,coreos/docker,johnstep/docker.github.io,hustcat/docker,nalind/docker,rkazak/docker,mbanikazemi/docker,tonistiigi/docker,fangyuan930917/docker,justincormack/docker,thaJeztah/docker,14rcole/docker,mtanlee/docker,sarnautov/moby,izarov/docker,vdemeester/docker,diogomonica/docker,runcom/docker,diogomonica/docker,tklauser/docker,anujbahuguna/docker,jvanz/docker,denverdino/docker.github.io,KarthikNayak/docker,mstanleyjones/docker,darrenstahlmsft/docker,charleszheng44/moby,shubheksha/docker.github.io,menglingwei/denverdino.github.io,alfred-landrum/docker,jimjag/docker,aduermael/docker.github.io,jhorwit2/docker,jwhonce/docker,moul/docker,HuKeping/docker,upmio/docker,xiekeyang/docker,icecrime/docker,dongjoon-hyun/docker,achanda/docker,imkin/moby,mike1729/docker,dnephin/docker,joeuo/docker.github.io,docker-zh/docker.github.io,jthelin/docker,jimjag/docker,achanda/docker,HackToday/docker,mahak/docker,mkumatag/docker,shubheksha/docker.github.io,carolfh/docker,PatrickLang/moby,umerazad/docker,tmp6154/docker,coolljt0725/docker,aidanhs/docker,menglingwei/denverdino.github.io,cpuguy83/docker,mtrmac/docker,JMesser81/docker,wenchma/docker,LaynePeng/docker,ColinHebert/docker,charleszheng44/moby,supasate/docker,johnstep/moby-moby,liaoqingwei/docker,yongtang/docker,prertik/docker,jameszhan/docker,rhardih/docker,michael-holzheu/docker,darrenstahlmsft/moby,Ramzec/docker,anujbahuguna/docker,erikh/docker,xiekeyang/docker,charleswhchan/docker,yongtang/docker,dongjoon-hyun/docker,jloehel/docker,rancher/docker,dims/docker,thaJeztah/docker.github.io,flavio/docker,jc-m/docker,dsheets/moby,catinthesky/docker,trebonian/docker,konstruktoid/docker-1,13W/docker,darrenstahlmsft/moby,ailispaw/docker,BSWANG/denverdino.github.io,estesp/docker,madhanrm/docker,scotttlin/docker,londoncalling/docker.github.io,JimGalasyn/docker.github.io,estesp/docker,hypriot/docker,darrenstahlmsft/docker,jecarey/docker,medallia/docker,sdurrheimer/docker,projectatomic/docker,michelvocks/docker,JimGalasyn/docker.github.io,gdevillele/docker.github.io,zhangjianfnst/docker,jhorwit2/docker,nalind/docker,nawawi/docker,shhsu/docker,sdurrheimer/docker,paralin/docker,stevvooe/docker,HideoYamauchi/docker,carolfh/docker,afein/docker,Morsicus/docker,errordeveloper/docker,kimh/docker,mbanikazemi/docker,kunalkushwaha/docker,ivansaracino/docker,HackToday/docker,docker-zh/docker.github.io,thaJeztah/docker,carolfh/docker,zhangjianfnst/docker,isubuz/docker,sunyuan3/docker,supasate/docker,Jimmy-Xu/hypercli,tpounds/docker,bdwill/docker.github.io,imkin/moby,flavio/docker,gnailuy/docker,splunk/docker,contiv/docker,dperny/docker,mgoelzer/docker,tophj-ibm/moby,naveed-jamil-tenpearls/moby,asbjornenge/docker,gigidwan/docker,kerneltime/docker,PatrickLang/moby,Altiscale/docker,thaJeztah/docker.github.io,kerneltime/docker,mixja/docker,dims/docker,justyntemme/docker,unclejack/docker,AkihiroSuda/docker,tagomoris/docker,sean-jc/docker,londoncalling/docker.github.io,rkazak/docker,cr7pt0gr4ph7/docker,ibuildthecloud/docker,medallia/docker,docker-zh/docker.github.io,shin-/docker.github.io,x1022as/docker,ailispaw/docker,prertik/docker,rremer/moby,cyphar/docker,OnePaaS/docker,sallyom/docker,Tenk42/docker,amatsus/docker,portworx/docker,tmp6154/docker,shishir-a412ed/docker,miminar/docker,stevvooe/docker,ZJUshuaizhou/docker,maxamillion/docker,pecameron/docker,nigelpoulton/docker,fcrisciani/docker,konstruktoid/docker-1,maxamillion/docker,charleswhchan/docker,nalind/docker,shin-/docker.github.io,laijs/docker,gdevillele/docker.github.io,moypray/docker,yp-engineering/docker,sanjeo/docker,docker/docker.github.io,jzwlqx/denverdino.github.io,sdurrheimer/docker,gao-feng/docker,skatsuta/docker,TheBigBear/docker,cnaize/docker,Mokolea/docker,yasiramin10p/moby,willmtemple/docker,moxiegirl/docker,yummypeng/docker,dsau/docker,johnstep/docker.github.io,bluebreezecf/docker,sterchelen/docker,abhinavdahiya/docker,gschaetz/moby,whuwxl/docker,dgageot/docker,rkazak/docker,harche/docker,docker-zh/docker.github.io,darrenstahlmsft/docker,gdevillele/docker.github.io,yosifkit/docker,ndeloof/docker,ripcurld0/moby,lixiaobing1/docker,Morsicus/docker,ffoysal/docker,laijs/moby,hallyn/docker,ffoysal/docker,danyalKhaliq10p/moby,cloudflare/docker,eskaaren/docker,aduermael/docker.github.io,solganik/docker,sfsmithcha/docker,SvenDowideit/docker,tkopczynski/docker,erikstmartin/docker,LaynePeng/docker,mtesselH/docker,danyalKhaliq10p/moby,kencochrane/docker,anweiss/docker.github.io,coreos/docker,sfsmithcha/docker,rhatdan/docker,aditirajagopal/docker,BSWANG/denverdino.github.io,endophage/docker,kolyshkin/moby,mathewkoshy493/docker,tagomoris/docker,mbanikazemi/docker,ZJUshuaizhou/docker,jzwlqx/denverdino.github.io,alexisbellido/docker.github.io,achanda/docker,resin-io/docker,tophj-ibm/moby,kolyshkin/moby,shubheksha/docker.github.io,laijs/docker,msabansal/docker,hyperhq/hypercli,cr7pt0gr4ph7/docker,nalind/docker,harche/docker,hypriot/docker,ajaymdesai/docker,moby/moby,fcrisciani/docker,arun-gupta/docker,joeuo/docker.github.io,AkihiroSuda/docker,runcom/docker,pecameron/docker,kyle-wang/docker,tpounds/docker,imkin/moby,duglin/docker,troy0820/docker.github.io,13W/docker,michael-holzheu/docker,twaugh/docker,ibuildthecloud/docker,lixiaobing1/docker,hustcat/docker,cyli/docker,willmtemple/docker,KingEmet/docker,JeffBellegarde/docker,troy0820/docker.github.io,contiv/docker,gao-feng/docker,arun-gupta/docker,phiroict/docker,anweiss/docker.github.io,johnstep/moby-moby,allencloud/docker,dccurtis/docker,cloudflare/docker,Tenk42/docker,xuxinkun/docker,dgageot/docker,scollier/docker,Ramzec/docker,docker/docker,stainboy/docker,ibuildthecloud/docker,kencochrane/docker,YujiOshima/docker,POLJM242/docker,menglingwei/denverdino.github.io,jloehel/docker,mikedougherty/docker,DoraALin/docker,noxiouz/docker,sanscontext/docker.github.io,aditirajagopal/docker,rillig/docker.github.io,ZJU-SEL/docker,mtesselH/docker,allencloud/docker,alexisbellido/docker.github.io,afein/docker,errordeveloper/docker,dmcgowan/docker,bfirsh/docker,jimjag/docker,ColinHebert/docker,imeoer/hypercli,bluebreezecf/docker,laijs/moby,toli/docker,moxiegirl/docker,konstruktoid/docker-upstream,aditirajagopal/docker,srust/docker,dnephin/docker,kolyshkin/docker,dccurtis/docker,jongiddy/docker,sunyuan3/docker,gjaskiewicz/moby,dsheets/moby,whuwxl/docker,yasiramin10p/moby,PatrickLang/moby,inatatsu/docker,aduermael/docker.github.io,q384566678/docker,kimh/docker,solganik/docker,kojiromike/docker,michelvocks/docker,shubheksha/docker.github.io,TrumanLing/docker,vijaykilari/docker,SaiedKazemi/docker,jc-m/docker,coolljt0725/docker,LuisBosquez/docker.github.io,rillig/docker.github.io,dccurtis/docker,sean-jc/docker,abhinavdahiya/docker,twaugh/docker,ajaymdesai/docker,miminar/docker,zhuguihua/docker,Mokolea/docker,arun-gupta/docker,docker/docker,hyperhq/hypercli,jthelin/docker,djs55/docker,bfirsh/docker,umerazad/docker,phiroict/docker,anortef/docker,ibuildthecloud/docker,pyotr777/docker,denverdino/docker.github.io,charleszheng44/moby,konstruktoid/docker-upstream,SaiedKazemi/docker,ckeyer/docker,mixja/docker,imeoer/hypercli,x1022as/docker,hallyn/docker,akira-baruah/docker,luxas/docker,jlebon/docker,dsau/docker,medallia/docker,supasate/docker,projectatomic/docker,shin-/docker.github.io,willmtemple/docker,tonistiigi/docker,duglin/docker,duglin/docker,cyphar/docker,xiekeyang/docker,zhuguihua/docker,erikstmartin/docker,jlhawn/docker,dsheets/moby,trebonian/docker,djs55/docker,rhatdan/storage,q384566678/docker,shhsu/docker,mahak/docker,Jimmy-Xu/hypercli,pradipd/moby,phiroict/docker,konstruktoid/docker-1,moypray/docker,jloehel/docker,flavio/docker,ncdc/docker,nguyentm83/docker,xiaods/docker,cyli/docker,inatatsu/docker,asbjornenge/docker,zhuguihua/docker,danix800/docker.github.io,moypray/docker,Mashimiao/docker,jlhawn/docker,ndeloof/docker,SvenDowideit/docker,Syntaxide/docker,raja-sami-10p/moby,jongiddy/docker,phiroict/docker,JimGalasyn/docker.github.io,OnePaaS/docker,jzwlqx/denverdino.github.io,aduermael/docker.github.io,anortef/docker,rancher/docker,flavio/docker,Shopify/docker,mohmost12/docker,crosbymichael/docker,docker-zh/docker.github.io,hqhq/moby,shin-/docker.github.io,gigidwan/docker,tophj-ibm/docker,HuKeping/docker,paralin/docker,icecrime/docker,LuisBosquez/docker.github.io,xuxinkun/docker,pradipd/moby,paralin/docker,mtrmac/docker,POLJM242/docker,ckeyer/docker,konstruktoid/docker-upstream,toli/docker,nawawi/docker,containers/storage,whuwxl/docker,resin-io/docker,menglingwei/denverdino.github.io,dgageot/docker,amatsus/docker,justyntemme/docker,bonczj/moby-json-file-logger,hallyn/docker,trebonian/docker,ndeloof/docker,umerazad/docker,izarov/docker,cyphar/docker,noironetworks/docker,docker/docker.github.io,mkumatag/docker,JeffBellegarde/docker,gnailuy/docker,dims/docker,joaofnfernandes/docker.github.io,denverdino/docker.github.io,wenchma/docker,cr7pt0gr4ph7/docker,Tenk42/docker,Jimmy-Xu/hypercli,jlebon/docker,sfsmithcha/docker,Microsoft/docker,sanscontext/docker.github.io,sanscontext/docker.github.io,HuKeping/docker,catinthesky/docker,docker/docker.github.io,cmehay/docker-1,crosbymichael/docker,kojiromike/docker,haveatry/docker,Microsoft/docker,dongjoon-hyun/docker,erikstmartin/docker,shubheksha/docker.github.io,johnstep/docker.github.io,xuxinkun/docker,LuisBosquez/docker.github.io,gjaskiewicz/moby,cmehay/docker-1,amatsus/docker,moul/docker,catinthesky/docker,raja-sami-10p/moby,thaJeztah/docker.github.io,isubuz/docker,denverdino/denverdino.github.io,dperny/docker,rancher/docker,LuisBosquez/docker.github.io,izarov/docker,pecameron/docker,tklauser/docker,coreos/docker,errordeveloper/docker,BSWANG/denverdino.github.io,mikedougherty/docker,jecarey/docker,HackToday/docker,davinashreddy/docker,upmio/docker,kolyshkin/docker,yosifkit/docker,konstruktoid/docker-upstream,SaiedKazemi/docker,fsoppelsa/docker,unclejack/docker,endophage/docker,gschaetz/moby,shhsu/docker,AkihiroSuda/docker,yasiramin10p/moby,denverdino/denverdino.github.io,fcrisciani/docker,nghiant2710/docker,geekylucas/docker,LuisBosquez/docker.github.io,Mashimiao/docker,pradipd/moby,DoraALin/docker,bonczj/moby-json-file-logger,13W/docker,cloudflare/docker,davinashreddy/docker,KingEmet/docker,JimGalasyn/docker.github.io,ajaymdesai/docker,SvenDowideit/docker,lixiaobing10051267/docker,aidanhs/docker,laijs/moby,joaofnfernandes/docker.github.io,jameszhan/docker,BSWANG/denverdino.github.io,brahmaroutu/docker,rhatdan/storage,nawawi/docker