Fix panic in stats test
Fix panic in stats test

Signed-off-by: Tonis Tiigi <c2470c48b2d3312d61f94f18d3a1cd113d1915ad@gmail.com>
ibuildthecloud/docker,ajaymdesai/docker,cpuguy83/docker,cloudflare/docker,eskaaren/docker,tophj-ibm/docker,PatrickLang/moby,rremer/moby,gnailuy/docker,moul/docker,dims/docker,bearstech/moby,zhuguihua/docker,moypray/docker,konstruktoid/docker-upstream,duglin/docker,portworx/docker,sdurrheimer/docker,konstruktoid/docker-upstream,fcrisciani/docker,portworx/docker,dims/docker,AkihiroSuda/docker,mtesselH/docker,dsheets/moby,nalind/docker,erikh/docker,sterchelen/docker,abhinavdahiya/docker,yongtang/docker,HideoYamauchi/docker,KarthikNayak/docker,noironetworks/docker,ripcurld0/moby,shishir-a412ed/docker,POLJM242/docker,tmp6154/docker,ColinHebert/docker,mikebrow/docker,mtesselH/docker,michael-holzheu/docker,hqhq/moby,Mokolea/docker,catinthesky/docker,danyalKhaliq10p/moby,dmcgowan/docker,alfred-landrum/docker,jvanz/docker,justincormack/docker,harche/docker,thtanaka/docker,JMesser81/docker,HideoYamauchi/docker,Syntaxide/docker,xuxinkun/docker,bonczj/moby-json-file-logger,resin-io/docker,splunk/docker,tagomoris/docker,tophj-ibm/moby,rremer/moby,sfsmithcha/docker,lixiaobing1/docker,unclejack/docker,noironetworks/docker,x1022as/docker,coreos/docker,harche/docker,liaoqingwei/docker,kunalkushwaha/docker,tagomoris/docker,msabansal/docker,q384566678/docker,trebonian/docker,yp-engineering/docker,lixiaobing10051267/docker,yosifkit/docker,konstruktoid/docker-1,lixiaobing10051267/docker,srust/docker,rancher/docker,estesp/docker,jhorwit2/docker,tagomoris/docker,coolljt0725/docker,shishir-a412ed/docker,nawawi/docker,unclejack/docker,endophage/docker,laijs/moby,estesp/docker,allencloud/docker,tianon/docker,erikh/docker,lixiaobing10051267/docker,sdurrheimer/docker,xiekeyang/docker,charleszheng44/moby,dongjoon-hyun/docker,zhuguihua/docker,imkin/moby,akira-baruah/docker,miminar/docker,diogomonica/docker,darrenstahlmsft/docker,gnailuy/docker,HideoYamauchi/docker,xiaods/docker,tklauser/docker,dsau/docker,rremer/moby,dperny/docker,moypray/docker,dgageot/docker,yasiramin10p/moby,twaugh/docker,docker/docker,dgageot/docker,brahmaroutu/docker,imkin/moby,KarthikNayak/docker,moul/docker,JMesser81/docker,konstruktoid/docker-upstream,rhatdan/docker,afein/docker,Ramzec/docker,yummypeng/docker,13W/docker,erikstmartin/docker,ndeloof/docker,hypriot/docker,liaoqingwei/docker,mtanlee/docker,alfred-landrum/docker,flavio/docker,kolyshkin/moby,shhsu/docker,dsheets/moby,yongtang/docker,mtesselH/docker,mixja/docker,xuxinkun/docker,darrenstahlmsft/moby,docker/docker,asbjornenge/docker,moby/moby,POLJM242/docker,sarnautov/moby,shishir-a412ed/docker,msabansal/docker,jvanz/docker,kencochrane/docker,sdurrheimer/docker,twaugh/docker,rhatdan/docker,brahmaroutu/docker,gschaetz/moby,docker/docker,endophage/docker,HuKeping/docker,sterchelen/docker,sfsmithcha/docker,kencochrane/docker,crosbymichael/docker,resin-io/docker,mtrmac/docker,PatrickLang/moby,sarnautov/moby,YuPengZTE/docker,jlhawn/docker,resin-io/docker,erikh/docker,sarnautov/moby,flavio/docker,cloudflare/docker,justincormack/docker,bonczj/moby-json-file-logger,Mokolea/docker,laijs/docker,AkihiroSuda/docker,jthelin/docker,mikebrow/docker,konstruktoid/docker-upstream,Ramzec/docker,afein/docker,mike1729/docker,bearstech/moby,sfsmithcha/docker,paralin/docker,cyphar/docker,asbjornenge/docker,mkumatag/docker,ibuildthecloud/docker,Mokolea/docker,dmcgowan/docker,bearstech/moby,trebonian/docker,coolljt0725/docker,naveed-jamil-tenpearls/moby,maxamillion/docker,ColinHebert/docker,jimjag/docker,nalind/docker,dperny/docker,Mokolea/docker,dims/docker,mstanleyjones/docker,srust/docker,raja-sami-10p/moby,shhsu/docker,stevvooe/docker,djs55/docker,xiekeyang/docker,mahak/docker,kojiromike/docker,jwhonce/docker,ffoysal/docker,amatsus/docker,13W/docker,naveed-jamil-tenpearls/moby,bearstech/moby,michelvocks/docker,lixiaobing1/docker,jlhawn/docker,kolyshkin/moby,msabansal/docker,13W/docker,haveatry/docker,erikstmartin/docker,trebonian/docker,konstruktoid/docker-1,nalind/docker,michael-holzheu/docker,raja-sami-10p/moby,unclejack/docker,prertik/docker,cyphar/docker,catinthesky/docker,gnailuy/docker,jhorwit2/docker,michael-holzheu/docker,abhinavdahiya/docker,mahak/docker,tklauser/docker,miminar/docker,jwhonce/docker,pramodhkp/moby,konstruktoid/docker-1,jvanz/docker,yasiramin10p/moby,twaugh/docker,dgageot/docker,madhanrm/docker,kolyshkin/moby,cpuguy83/docker,x1022as/docker,gnailuy/docker,dongjoon-hyun/docker,dccurtis/docker,paralin/docker,nawawi/docker,mixja/docker,dongjoon-hyun/docker,maxamillion/docker,q384566678/docker,djs55/docker,thtanaka/docker,cyphar/docker,jameszhan/docker,kunalkushwaha/docker,scotttlin/docker,kunalkushwaha/docker,mkumatag/docker,Syntaxide/docker,ffoysal/docker,Syntaxide/docker,laijs/moby,vdemeester/docker,amatsus/docker,jimjag/docker,scotttlin/docker,djs55/docker,yp-engineering/docker,containers/storage,mstanleyjones/docker,fcrisciani/docker,mike1729/docker,mikedougherty/docker,YuPengZTE/docker,mikedougherty/docker,darrenstahlmsft/moby,kencochrane/docker,containers/storage,mike1729/docker,diogomonica/docker,thaJeztah/docker,AkihiroSuda/docker,dsau/docker,ibuildthecloud/docker,darrenstahlmsft/moby,charleszheng44/moby,thtanaka/docker,mtanlee/docker,PatrickLang/moby,ColinHebert/docker,scotttlin/docker,tianon/docker,13W/docker,cpuguy83/docker,johnstep/moby-moby,prertik/docker,johnstep/moby-moby,rancher/docker,tklauser/docker,moul/docker,imkin/moby,yasiramin10p/moby,laijs/docker,ajaymdesai/docker,yp-engineering/docker,jhorwit2/docker,nawawi/docker,michelvocks/docker,hypriot/docker,rancher/docker,pramodhkp/moby,icaoweiwei/docker,laijs/docker,prertik/docker,flavio/docker,KingEmet/docker,lixiaobing1/docker,kolyshkin/docker,moby/moby,xiekeyang/docker,darrenstahlmsft/docker,SvenDowideit/docker,KarthikNayak/docker,justincormack/docker,jlhawn/docker,mahak/docker,rhatdan/storage,eskaaren/docker,tonistiigi/docker,mtanlee/docker,asbjornenge/docker,AkihiroSuda/docker,moby/moby,allencloud/docker,mixja/docker,diogomonica/docker,amatsus/docker,tophj-ibm/moby,shhsu/docker,miminar/docker,tophj-ibm/moby,KingEmet/docker,trebonian/docker,gschaetz/moby,tmp6154/docker,harche/docker,mstanleyjones/docker,tonistiigi/docker,ndeloof/docker,crosbymichael/docker,yummypeng/docker,crosbymichael/docker,charleszheng44/moby,whuwxl/docker,SvenDowideit/docker,srust/docker,erikstmartin/docker,whuwxl/docker,afein/docker,mikedougherty/docker,bonczj/moby-json-file-logger,haveatry/docker,13W/docker,coreos/docker,endophage/docker,qudongfang/docker,coreos/docker,madhanrm/docker,raja-sami-10p/moby,Ramzec/docker,darrenstahlmsft/docker,rhatdan/storage,danyalKhaliq10p/moby,duglin/docker,estesp/docker,gjaskiewicz/moby,splunk/docker,rhatdan/storage,vdemeester/docker,jameszhan/docker,dsheets/moby,tophj-ibm/docker,dmcgowan/docker,YuPengZTE/docker,mohmost12/docker,brahmaroutu/docker,x1022as/docker,jimjag/docker,naveed-jamil-tenpearls/moby,jthelin/docker,qudongfang/docker,yosifkit/docker,dperny/docker,jimjag/docker,nawawi/docker,containers/storage,haveatry/docker,johnstep/moby-moby,ripcurld0/moby,ajaymdesai/docker,duglin/docker,dsau/docker,xiaods/docker,dccurtis/docker,madhanrm/docker,SvenDowideit/docker,laijs/moby,hypriot/docker,dccurtis/docker,rhatdan/docker,coolljt0725/docker,ibuildthecloud/docker,danyalKhaliq10p/moby,tonistiigi/docker,moypray/docker,stevvooe/docker,splunk/docker,icaoweiwei/docker,ibuildthecloud/docker,fcrisciani/docker,moby/moby,mtrmac/docker,allencloud/docker,gjaskiewicz/moby,jameszhan/docker,yosifkit/docker,mkumatag/docker,portworx/docker,icaoweiwei/docker,kojiromike/docker,gschaetz/moby,HuKeping/docker,catinthesky/docker,yosifkit/docker,alfred-landrum/docker,whuwxl/docker,yummypeng/docker,cpuguy83/docker,qudongfang/docker,kolyshkin/docker,pradipd/moby,tmp6154/docker,vdemeester/docker,jwhonce/docker,eskaaren/docker,xuxinkun/docker,paralin/docker,maxamillion/docker,yongtang/docker,thaJeztah/docker,thaJeztah/docker,ndeloof/docker,JMesser81/docker,liaoqingwei/docker,noironetworks/docker,pradipd/moby,sterchelen/docker,michelvocks/docker,akira-baruah/docker,tophj-ibm/docker,abhinavdahiya/docker,q384566678/docker,mohmost12/docker,mohmost12/docker,paralin/docker,flavio/docker,hqhq/moby,KingEmet/docker,pradipd/moby,pramodhkp/moby,mikebrow/docker,hqhq/moby,nalind/docker,mahak/docker,gjaskiewicz/moby,stevvooe/docker,ripcurld0/moby,HuKeping/docker,thaJeztah/docker,xiaods/docker,Ramzec/docker,cloudflare/docker,kojiromike/docker,moul/docker,mtrmac/docker,zhuguihua/docker,ffoysal/docker