Improve error message for ENOTDIR errors
Improve error message for ENOTDIR errors

Signed-off-by: Brian Goff <dc73d0991b982a8303e713ef531a313af77e242a@gmail.com>

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