Don't restore image if layer does not exist
Don't restore image if layer does not exist

Signed-off-by: John Howard <50ae662f5fcde39b7d1ed786133b7c61a25411dd@microsoft.com>

kolyshkin/docker,kolyshkin/moby,jwhonce/docker,rancher/docker,duglin/docker,Ramzec/docker,rancher/docker,konstruktoid/docker-upstream,vdemeester/docker,crosbymichael/docker,AkihiroSuda/docker,nawawi/docker,dims/docker,maxamillion/docker,konstruktoid/docker-1,laijs/moby,thaJeztah/docker,thaJeztah/docker,mikebrow/docker,jwhonce/docker,dccurtis/docker,ibuildthecloud/docker,flavio/docker,Mokolea/docker,ibuildthecloud/docker,djs55/docker,jvanz/docker,tophj-ibm/moby,cpuguy83/docker,Ramzec/docker,kolyshkin/moby,laijs/docker,scotttlin/docker,SvenDowideit/docker,tonistiigi/docker,Ramzec/docker,scotttlin/docker,unclejack/docker,jthelin/docker,mikebrow/docker,jameszhan/docker,bearstech/moby,tophj-ibm/docker,dmcgowan/docker,nalind/docker,bearstech/moby,nalind/docker,estesp/docker,dmcgowan/docker,Mokolea/docker,kojiromike/docker,unclejack/docker,flavio/docker,nawawi/docker,jimjag/docker,gnailuy/docker,gnailuy/docker,x1022as/docker,laijs/docker,tmp6154/docker,Mokolea/docker,yosifkit/docker,jimjag/docker,konstruktoid/docker-upstream,jthelin/docker,yosifkit/docker,konstruktoid/docker-1,trebonian/docker,ibuildthecloud/docker,maxamillion/docker,kojiromike/docker,jlhawn/docker,justincormack/docker,tmp6154/docker,moby/moby,moul/docker,Ramzec/docker,dims/docker,SvenDowideit/docker,mahak/docker,tophj-ibm/docker,laijs/moby,trebonian/docker,moby/moby,rremer/moby,yongtang/docker,rremer/moby,johnstep/moby-moby,tonistiigi/docker,allencloud/docker,nawawi/docker,yosifkit/docker,konstruktoid/docker-upstream,YuPengZTE/docker,paralin/docker,vdemeester/docker,crosbymichael/docker,laijs/moby,moul/docker,konstruktoid/docker-1,scotttlin/docker,paralin/docker,unclejack/docker,nalind/docker,trebonian/docker,jvanz/docker,Mokolea/docker,rancher/docker,djs55/docker,allencloud/docker,kojiromike/docker,tmp6154/docker,tophj-ibm/moby,pradipd/moby,AkihiroSuda/docker,cpuguy83/docker,laijs/docker,kolyshkin/moby,estesp/docker,yongtang/docker,ibuildthecloud/docker,KarthikNayak/docker,nawawi/docker,docker/docker,moby/moby,duglin/docker,trebonian/docker,noironetworks/docker,YuPengZTE/docker,jlhawn/docker,kolyshkin/docker,gnailuy/docker,mahak/docker,jimjag/docker,crosbymichael/docker,mikebrow/docker,jlhawn/docker,moul/docker,SvenDowideit/docker,paralin/docker,AkihiroSuda/docker,x1022as/docker,bearstech/moby,dims/docker,KarthikNayak/docker,noironetworks/docker,tophj-ibm/docker,mahak/docker,estesp/docker,noironetworks/docker,jameszhan/docker,tonistiigi/docker,jimjag/docker,flavio/docker,dccurtis/docker,dccurtis/docker,docker/docker,jvanz/docker,ibuildthecloud/docker,johnstep/moby-moby,rremer/moby,yongtang/docker,cpuguy83/docker,djs55/docker,vdemeester/docker,pradipd/moby,bearstech/moby,maxamillion/docker,gnailuy/docker,konstruktoid/docker-upstream,allencloud/docker,pradipd/moby,docker/docker,dmcgowan/docker,AkihiroSuda/docker,jameszhan/docker,justincormack/docker,justincormack/docker,moby/moby,johnstep/moby-moby,YuPengZTE/docker,flavio/docker,nalind/docker,x1022as/docker,moul/docker,duglin/docker,mahak/docker,thaJeztah/docker,tophj-ibm/moby,jwhonce/docker,yosifkit/docker,thaJeztah/docker,KarthikNayak/docker,cpuguy83/docker,paralin/docker