Add "dummy" network module for arm images.
Add "dummy" network module for arm images.

A few libnetwork integration tests require that the kernel be configured
with the "dummy" network interface and has the module loaded. However,
the dummy module is not available by default on arm images. This ensures
that it is built and loaded.

Signed-off-by: Anusha Ragunathan <11258be80bf4b196e47582a3113274a53ec55793@docker.com>

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