Add e2e test for downward API with host network
Add e2e test for downward API with host network

Co-authored-by: BenTheElder <ac8709b75692f0c67d09a36ebed9904b865f24a5@google.com>

feiskyer/kubernetes,linux-on-ibm-z/kubernetes,pwittrock/kubernetes,mYmNeo/kubernetes,maciaszczykm/kubernetes,mYmNeo/kubernetes,mikebrow/kubernetes,Lion-Wei/kubernetes,MikeSpreitzer/kubernetes,u2takey/kubernetes,chestack/kubernetes,krmayankk/kubernetes,mahak/kubernetes,du2016/kubernetes,linux-on-ibm-z/kubernetes,DiamantiCom/kubernetes,cadmuxe/kubernetes,sdminonne/kubernetes,ingvagabund/kubernetes,BenTheElder/kubernetes,tcnghia/kubernetes,njuicsgz/kubernetes-1,verult/kubernetes,PI-Victor/kubernetes,deads2k/kubernetes,cadmuxe/kubernetes,mml/kubernetes,frodenas/kubernetes,DiamantiCom/kubernetes,fabriziopandini/kubernetes,ixdy/kubernetes,jennybuckley/kubernetes,tallclair/kubernetes,ConnorDoyle/kubernetes,tomerf/kubernetes,davidz627/kubernetes,iterion/kubernetes,aveshagarwal/kubernetes,cantbewong/kubernetes,jessfraz/kubernetes,mboersma/kubernetes,nak3/kubernetes,rrati/kubernetes,thockin/kubernetes,lojies/kubernetes,mengqiy/kubernetes,PI-Victor/kubernetes,mkumatag/kubernetes,andrewrynhard/kubernetes,fgimenez/kubernetes,Hui-Zhi/kubernetes,fgimenez/kubernetes,aveshagarwal/kubernetes,BenTheElder/kubernetes,k82cn/kubernetes,frodenas/kubernetes,coolsvap/kubernetes,tallclair/kubernetes,tpepper/kubernetes,jagosan/kubernetes,ravilr/kubernetes,fanzhangio/kubernetes,wongma7/kubernetes,davidz627/kubernetes,weiwei04/kubernetes,pweil-/kubernetes,rrati/kubernetes,ingvagabund/kubernetes,alejandroEsc/kubernetes,sanjeevm0/kubernetes,mikebrow/kubernetes,pweil-/kubernetes,andrewrynhard/kubernetes,k82cn/kubernetes,nikhita/kubernetes,k82/kubernetes,feiskyer/kubernetes,frodenas/kubernetes,rafax/kubernetes,khenidak/kubernetes,enj/kubernetes,verb/kubernetes,carlory/kubernetes,mikebrow/kubernetes,erwinvaneyk/kubernetes,wanghaoran1988/kubernetes,cblecker/kubernetes,ingvagabund/kubernetes,spzala/kubernetes,olivierlemasle/kubernetes,brendandburns/kubernetes,mYmNeo/kubernetes,jagosan/kubernetes,jingxu97/kubernetes,zhouhaibing089/kubernetes,luxas/kubernetes,mikedanese/kubernetes,saad-ali/kubernetes,tomzhang/kubernetes,MikeSpreitzer/kubernetes,dereknex/kubernetes,csrwng/kubernetes,bizhao/kubernetes,mml/kubernetes,du2016/kubernetes,fabriziopandini/kubernetes,Hui-Zhi/kubernetes,khenidak/kubernetes,lichuqiang/kubernetes,zetaab/kubernetes,gnufied/kubernetes,csrwng/kubernetes,pmorie/kubernetes,stevesloka/kubernetes,openshift/kubernetes,jackfrancis/kubernetes,fejta/kubernetes,cadmuxe/kubernetes,andrewsykim/kubernetes,wenlxie/kubernetes,fabriziopandini/kubernetes,cmluciano/kubernetes,nckturner/kubernetes,joelsmith/kubernetes,zetaab/kubernetes,sanjeevm0/kubernetes,sanjeevm0/kubernetes,ping035627/kubernetes,mikedanese/kubernetes,PiotrProkop/kubernetes,warmchang/kubernetes,dims/kubernetes,cmluciano/kubernetes,spzala/kubernetes,pweil-/kubernetes,derekwaynecarr/kubernetes,aledbf/kubernetes,khenidak/kubernetes,jfrazelle/kubernetes,k82cn/kubernetes,luxas/kubernetes,xychu/kubernetes,brendandburns/kubernetes,carlory/kubernetes,ravilr/kubernetes,monopole/kubernetes,chrislovecnm/kubernetes,coolsvap/kubernetes,Clarifai/kubernetes,olivierlemasle/kubernetes,krmayankk/kubernetes,huangjiuyuan/kubernetes,feiskyer/kubernetes,jingxu97/kubernetes,xychu/kubernetes,zhangmingld/kubernetes,Lion-Wei/kubernetes,chestack/kubernetes,nak3/kubernetes,njuicsgz/kubernetes-1,pwittrock/kubernetes,mfojtik/kubernetes,klaus1982/kubernetes,jdef/kubernetes,dlorenc/kubernetes,krmayankk/kubernetes,tomerf/kubernetes,nikhita/kubernetes,andrewrynhard/kubernetes,xlgao-zju/kubernetes,ConnorDoyle/kubernetes,openshift/kubernetes,k82/kubernetes,sdminonne/kubernetes,klaus1982/kubernetes,luxas/kubernetes,sdminonne/kubernetes,klaus1982/kubernetes,jennybuckley/kubernetes,shyamjvs/kubernetes,huangjiuyuan/kubernetes,wanghaoran1988/kubernetes,fejta/kubernetes,pmorie/kubernetes,Hui-Zhi/kubernetes,u2takey/kubernetes,tomerf/kubernetes,nikhita/kubernetes,johscheuer/kubernetes,jsafrane/kubernetes,tcnghia/kubernetes,joelsmith/kubernetes,kevensen/kubernetes,pires/kubernetes,kevin-wangzefeng/kubernetes,kevin-wangzefeng/kubernetes,lojies/kubernetes,saad-ali/kubernetes,verult/kubernetes,JacobTanenbaum/kubernetes,njuicsgz/kubernetes-1,mikedanese/kubernetes,sethpollack/kubernetes,andrewsykim/kubernetes,Lion-Wei/kubernetes,mengqiy/kubernetes,yujuhong/kubernetes,tomzhang/kubernetes,du2016/kubernetes,MHBauer/kubernetes,li-ang/kubernetes,roberthbailey/kubernetes,MikeSpreitzer/kubernetes,davidz627/kubernetes,khenidak/kubernetes,dixudx/kubernetes,GulajavaMinistudio/kubernetes,yujuhong/kubernetes,cofyc/kubernetes,krmayankk/kubernetes,idvoretskyi/kubernetes,kpgriffith/kubernetes,jsafrane/kubernetes,tcnghia/kubernetes,carlory/kubernetes,tallclair/kubernetes,alejandroEsc/kubernetes,tcnghia/kubernetes,wanghaoran1988/kubernetes,coolsvap/kubernetes,BenTheElder/kubernetes,mahak/kubernetes,Clarifai/kubernetes,xlgao-zju/kubernetes,pweil-/kubernetes,lichuqiang/kubernetes,kevensen/kubernetes,tpepper/kubernetes,derekwaynecarr/kubernetes,njuicsgz/kubernetes-1,tpepper/kubernetes,stevesloka/kubernetes,spzala/kubernetes,yujuhong/kubernetes,cofyc/kubernetes,shyamjvs/kubernetes,bparees/kubernetes,bparees/kubernetes,kpgriffith/kubernetes,alejandroEsc/kubernetes,DiamantiCom/kubernetes,kitt1987/kubernetes,Acidburn0zzz/kubernetes,micahhausler/kubernetes,tallclair/kubernetes,nckturner/kubernetes,soltysh/kubernetes,MHBauer/kubernetes,ixdy/kubernetes,k82/kubernetes,wanghaoran1988/kubernetes,zhouhaibing089/kubernetes,Acidburn0zzz/kubernetes,u2takey/kubernetes,ixdy/kubernetes,dims/kubernetes,chrislovecnm/kubernetes,mboersma/kubernetes,monopole/kubernetes,mahak/kubernetes,ingvagabund/kubernetes,tomzhang/kubernetes,pmorie/kubernetes,tallclair/kubernetes,spzala/kubernetes,brendandburns/kubernetes,lichuqiang/kubernetes,shyamjvs/kubernetes,andrewrynhard/kubernetes,yarntime/kubernetes,shyamjvs/kubernetes,kitt1987/kubernetes,njuicsgz/kubernetes-1,tallclair/kubernetes,wanghaoran1988/kubernetes,sanjeevm0/kubernetes,mengqiy/kubernetes,warmchang/kubernetes,enj/kubernetes,MikeSpreitzer/kubernetes,chestack/kubernetes,nak3/kubernetes,wongma7/kubernetes,chestack/kubernetes,micahhausler/kubernetes,klaus1982/kubernetes,deads2k/kubernetes,mml/kubernetes,MHBauer/kubernetes,Acidburn0zzz/kubernetes,soltysh/kubernetes,alejandroEsc/kubernetes,alejandroEsc/kubernetes,mengqiy/kubernetes,dlorenc/kubernetes,stevesloka/kubernetes,ravilr/kubernetes,cmluciano/kubernetes,thockin/kubernetes,aledbf/kubernetes,fejta/kubernetes,zhangmingld/kubernetes,jessfraz/kubernetes,mml/kubernetes,sanjeevm0/kubernetes,dixudx/kubernetes,jfrazelle/kubernetes,hex108/kubernetes,linux-on-ibm-z/kubernetes,mboersma/kubernetes,kitt1987/kubernetes,nckturner/kubernetes,kpgriffith/kubernetes,monopole/kubernetes,ConnorDoyle/kubernetes,ravisantoshgudimetla/kubernetes,andrewrynhard/kubernetes,pires/kubernetes,fabriziopandini/kubernetes,zetaab/kubernetes,thockin/kubernetes,verb/kubernetes,mml/kubernetes,Lion-Wei/kubernetes,LalatenduMohanty/kubernetes,jdef/kubernetes,cmluciano/kubernetes,pmorie/kubernetes,LalatenduMohanty/kubernetes,gnufied/kubernetes,jdef/kubernetes,mosoft521/kubernetes,PI-Victor/kubernetes,linux-on-ibm-z/kubernetes,GulajavaMinistudio/kubernetes,idvoretskyi/kubernetes,fejta/kubernetes,PI-Victor/kubernetes,andrewrynhard/kubernetes,ii/kubernetes,roberthbailey/kubernetes,matthyx/kubernetes,cblecker/kubernetes,pmorie/kubernetes,JacobTanenbaum/kubernetes,erwinvaneyk/kubernetes,cadmuxe/kubernetes,jsafrane/kubernetes,roberthbailey/kubernetes,lojies/kubernetes,JacobTanenbaum/kubernetes,weiwei04/kubernetes,cofyc/kubernetes,xlgao-zju/kubernetes,PiotrProkop/kubernetes,li-ang/kubernetes,wongma7/kubernetes,intelsdi-x/kubernetes,kubernetes/kubernetes,x13n/kubernetes,lojies/kubernetes,yarntime/kubernetes,mikedanese/kubernetes,aveshagarwal/kubernetes,idvoretskyi/kubernetes,saad-ali/kubernetes,DiamantiCom/kubernetes,GulajavaMinistudio/kubernetes,intelsdi-x/kubernetes,kow3ns/kubernetes,erwinvaneyk/kubernetes,dims/kubernetes,kpgriffith/kubernetes,mfojtik/kubernetes,soltysh/kubernetes,cantbewong/kubernetes,brendandburns/kubernetes,GulajavaMinistudio/kubernetes,aveshagarwal/kubernetes,micahhausler/kubernetes,erwinvaneyk/kubernetes,Clarifai/kubernetes,tomzhang/kubernetes,luxas/kubernetes,aledbf/kubernetes,wenlxie/kubernetes,dereknex/kubernetes,bizhao/kubernetes,hex108/kubernetes,humblec/kubernetes,tpepper/kubernetes,openshift/kubernetes,ii/kubernetes,kubernetes/kubernetes,DiamantiCom/kubernetes,krmayankk/kubernetes,du2016/kubernetes,dims/kubernetes,warmchang/kubernetes,kubernetes/kubernetes,kpgriffith/kubernetes,jagosan/kubernetes,iterion/kubernetes,Lion-Wei/kubernetes,mkumatag/kubernetes,kitt1987/kubernetes,x13n/kubernetes,huangjiuyuan/kubernetes,jessfraz/kubernetes,deads2k/kubernetes,li-ang/kubernetes,k82cn/kubernetes,soltysh/kubernetes,micahhausler/kubernetes,hex108/kubernetes,k82/kubernetes,kpgriffith/kubernetes,ingvagabund/kubernetes,zhangmingld/kubernetes,li-ang/kubernetes,jackfrancis/kubernetes,yarntime/kubernetes,Acidburn0zzz/kubernetes,kow3ns/kubernetes,gnufied/kubernetes,lichuqiang/kubernetes,jennybuckley/kubernetes,jsafrane/kubernetes,ping035627/kubernetes,fgimenez/kubernetes,fanzhangio/kubernetes,joelsmith/kubernetes,rafax/kubernetes,ixdy/kubernetes,erwinvaneyk/kubernetes,fanzhangio/kubernetes,yarntime/kubernetes,warmchang/kubernetes,coolsvap/kubernetes,weiwei04/kubernetes,dims/kubernetes,mosoft521/kubernetes,humblec/kubernetes,pires/kubernetes,JacobTanenbaum/kubernetes,PI-Victor/kubernetes,liggitt/kubernetes,openshift/kubernetes,kow3ns/kubernetes,tomerf/kubernetes,mboersma/kubernetes,andrewsykim/kubernetes,k82cn/kubernetes,JacobTanenbaum/kubernetes,xychu/kubernetes,tcnghia/kubernetes,mkumatag/kubernetes,cantbewong/kubernetes,sdminonne/kubernetes,kubernetes/kubernetes,jennybuckley/kubernetes,iameli/kubernetes,spzala/kubernetes,davidz627/kubernetes,pires/kubernetes,BenTheElder/kubernetes,stevesloka/kubernetes,mahak/kubernetes,pires/kubernetes,zhangmingld/kubernetes,kitt1987/kubernetes,csrwng/kubernetes,carlory/kubernetes,jfrazelle/kubernetes,bparees/kubernetes,matthyx/kubernetes,krmayankk/kubernetes,kevin-wangzefeng/kubernetes,mengqiy/kubernetes,johscheuer/kubernetes,olivierlemasle/kubernetes,saad-ali/kubernetes,njuicsgz/kubernetes-1,idvoretskyi/kubernetes,kitt1987/kubernetes,nckturner/kubernetes,hex108/kubernetes,stevesloka/kubernetes,tengqm/kubernetes,mosoft521/kubernetes,ping035627/kubernetes,cantbewong/kubernetes,tengqm/kubernetes,xychu/kubernetes,PiotrProkop/kubernetes,ravisantoshgudimetla/kubernetes,x13n/kubernetes,pwittrock/kubernetes,x13n/kubernetes,linux-on-ibm-z/kubernetes,Hui-Zhi/kubernetes,luxas/kubernetes,iterion/kubernetes,pwittrock/kubernetes,iameli/kubernetes,maciaszczykm/kubernetes,ping035627/kubernetes,weiwei04/kubernetes,LalatenduMohanty/kubernetes,mYmNeo/kubernetes,jessfraz/kubernetes,andrewsykim/kubernetes,ravisantoshgudimetla/kubernetes,nikhita/kubernetes,lojies/kubernetes,rnaveiras/kubernetes,xychu/kubernetes,rnaveiras/kubernetes,sethpollack/kubernetes,pires/kubernetes,jingxu97/kubernetes,maciaszczykm/kubernetes,maciaszczykm/kubernetes,humblec/kubernetes,LalatenduMohanty/kubernetes,verb/kubernetes,tomerf/kubernetes,dlorenc/kubernetes,PI-Victor/kubernetes,iterion/kubernetes,derekwaynecarr/kubernetes,tpepper/kubernetes,maciaszczykm/kubernetes,dereknex/kubernetes,huangjiuyuan/kubernetes,bparees/kubernetes,Acidburn0zzz/kubernetes,feiskyer/kubernetes,matthyx/kubernetes,pweil-/kubernetes,monopole/kubernetes,jingxu97/kubernetes,kow3ns/kubernetes,dlorenc/kubernetes,wongma7/kubernetes,wongma7/kubernetes,stevesloka/kubernetes,rrati/kubernetes,jackfrancis/kubernetes,x13n/kubernetes,enj/kubernetes,mkumatag/kubernetes,Lion-Wei/kubernetes,csrwng/kubernetes,derekwaynecarr/kubernetes,derekwaynecarr/kubernetes,dixudx/kubernetes,verult/kubernetes,Clarifai/kubernetes,MikeSpreitzer/kubernetes,rnaveiras/kubernetes,nak3/kubernetes,dlorenc/kubernetes,MHBauer/kubernetes,weiwei04/kubernetes,mkumatag/kubernetes,wenlxie/kubernetes,ravilr/kubernetes,weiwei04/kubernetes,ConnorDoyle/kubernetes,wenlxie/kubernetes,tomzhang/kubernetes,k82/kubernetes,frodenas/kubernetes,cofyc/kubernetes,kevin-wangzefeng/kubernetes,jackfrancis/kubernetes,jdef/kubernetes,mboersma/kubernetes,frodenas/kubernetes,johscheuer/kubernetes,mfojtik/kubernetes,cadmuxe/kubernetes,kow3ns/kubernetes,cofyc/kubernetes,tengqm/kubernetes,Hui-Zhi/kubernetes,mml/kubernetes,hex108/kubernetes,ixdy/kubernetes,tomzhang/kubernetes,ravilr/kubernetes,thockin/kubernetes,mosoft521/kubernetes,xlgao-zju/kubernetes,tomerf/kubernetes,chrislovecnm/kubernetes,fgimenez/kubernetes,pwittrock/kubernetes,mahak/kubernetes,zetaab/kubernetes,verult/kubernetes,davidz627/kubernetes,warmchang/kubernetes,intelsdi-x/kubernetes,njuicsgz/kubernetes-1,jagosan/kubernetes,johscheuer/kubernetes,kubernetes/kubernetes,bizhao/kubernetes,verb/kubernetes,idvoretskyi/kubernetes,sethpollack/kubernetes,sanjeevm0/kubernetes,liggitt/kubernetes,dixudx/kubernetes,tomzhang/kubernetes,GulajavaMinistudio/kubernetes,rnaveiras/kubernetes,rafax/kubernetes,liggitt/kubernetes,erwinvaneyk/kubernetes,liggitt/kubernetes,gnufied/kubernetes,mikedanese/kubernetes,monopole/kubernetes,ConnorDoyle/kubernetes,PiotrProkop/kubernetes,rrati/kubernetes,ConnorDoyle/kubernetes,Hui-Zhi/kubernetes,maciaszczykm/kubernetes,tpepper/kubernetes,khenidak/kubernetes,fgimenez/kubernetes,deads2k/kubernetes,intelsdi-x/kubernetes,BenTheElder/kubernetes,aveshagarwal/kubernetes,huangjiuyuan/kubernetes,andrewsykim/kubernetes,joelsmith/kubernetes,roberthbailey/kubernetes,jennybuckley/kubernetes,nak3/kubernetes,zhouhaibing089/kubernetes,dereknex/kubernetes,nak3/kubernetes,zetaab/kubernetes,cblecker/kubernetes,jackfrancis/kubernetes,sethpollack/kubernetes,aledbf/kubernetes,saad-ali/kubernetes,chrislovecnm/kubernetes,sdminonne/kubernetes,cmluciano/kubernetes,wenlxie/kubernetes,tengqm/kubernetes,kevin-wangzefeng/kubernetes,verult/kubernetes,fanzhangio/kubernetes,rafax/kubernetes,bizhao/kubernetes,cantbewong/kubernetes,rnaveiras/kubernetes,sethpollack/kubernetes,cblecker/kubernetes,pmorie/kubernetes,mfojtik/kubernetes,frodenas/kubernetes,aledbf/kubernetes,enj/kubernetes,yujuhong/kubernetes,ping035627/kubernetes,mfojtik/kubernetes,jsafrane/kubernetes,zetaab/kubernetes,cblecker/kubernetes,nikhita/kubernetes,iterion/kubernetes,ii/kubernetes,mosoft521/kubernetes,luxas/kubernetes,iterion/kubernetes,chrislovecnm/kubernetes,bparees/kubernetes,jfrazelle/kubernetes,dlorenc/kubernetes,idvoretskyi/kubernetes,rrati/kubernetes,kevensen/kubernetes,jingxu97/kubernetes,fejta/kubernetes,kevensen/kubernetes,MHBauer/kubernetes,fgimenez/kubernetes,jdef/kubernetes,intelsdi-x/kubernetes,PiotrProkop/kubernetes,pweil-/kubernetes,joelsmith/kubernetes,yujuhong/kubernetes,xlgao-zju/kubernetes,mYmNeo/kubernetes,coolsvap/kubernetes,matthyx/kubernetes,jdef/kubernetes,humblec/kubernetes,ravisantoshgudimetla/kubernetes,cmluciano/kubernetes,bizhao/kubernetes,cadmuxe/kubernetes,lichuqiang/kubernetes,coolsvap/kubernetes,verult/kubernetes,Acidburn0zzz/kubernetes,iameli/kubernetes,mikebrow/kubernetes,yarntime/kubernetes,soltysh/kubernetes,DiamantiCom/kubernetes,carlory/kubernetes,shyamjvs/kubernetes,wanghaoran1988/kubernetes,dereknex/kubernetes,kevensen/kubernetes,iameli/kubernetes,iameli/kubernetes,intelsdi-x/kubernetes,MHBauer/kubernetes,saad-ali/kubernetes,openshift/kubernetes,jagosan/kubernetes,cofyc/kubernetes,mboersma/kubernetes,enj/kubernetes,khenidak/kubernetes,roberthbailey/kubernetes,zhangmingld/kubernetes,joelsmith/kubernetes,ixdy/kubernetes,jessfraz/kubernetes,tcnghia/kubernetes,tomzhang/kubernetes,ingvagabund/kubernetes,Clarifai/kubernetes,huangjiuyuan/kubernetes,chestack/kubernetes,yujuhong/kubernetes,pwittrock/kubernetes,fabriziopandini/kubernetes,ravisantoshgudimetla/kubernetes,Clarifai/kubernetes,zhangmingld/kubernetes,humblec/kubernetes,fanzhangio/kubernetes,aveshagarwal/kubernetes,yarntime/kubernetes,verb/kubernetes,JacobTanenbaum/kubernetes,u2takey/kubernetes,chrislovecnm/kubernetes,lichuqiang/kubernetes,xychu/kubernetes,wenlxie/kubernetes,matthyx/kubernetes,zhouhaibing089/kubernetes,jennybuckley/kubernetes,derekwaynecarr/kubernetes,du2016/kubernetes,hex108/kubernetes,olivierlemasle/kubernetes,johscheuer/kubernetes,dixudx/kubernetes,zhouhaibing089/kubernetes,davidz627/kubernetes,micahhausler/kubernetes,tomzhang/kubernetes,ravisantoshgudimetla/kubernetes,u2takey/kubernetes,x13n/kubernetes,andrewsykim/kubernetes,ii/kubernetes,mikebrow/kubernetes,xlgao-zju/kubernetes,LalatenduMohanty/kubernetes,li-ang/kubernetes,liggitt/kubernetes,thockin/kubernetes,LalatenduMohanty/kubernetes,ii/kubernetes,fejta/kubernetes,olivierlemasle/kubernetes,dereknex/kubernetes,deads2k/kubernetes,csrwng/kubernetes,feiskyer/kubernetes,mboersma/kubernetes,bizhao/kubernetes,brendandburns/kubernetes,nckturner/kubernetes,brendandburns/kubernetes,fanzhangio/kubernetes,njuicsgz/kubernetes-1,cantbewong/kubernetes,kow3ns/kubernetes,jfrazelle/kubernetes,mYmNeo/kubernetes,johscheuer/kubernetes,mboersma/kubernetes,gnufied/kubernetes,tengqm/kubernetes,mfojtik/kubernetes,u2takey/kubernetes