Avoid a data race in container/health.go
Avoid a data race in container/health.go

Signed-off-by: Ziheng Liu <f7f149e5a659fc13c80c604a2bf83d2463599785@gmail.com>

Mokolea/docker,kojiromike/docker,nawawi/docker,gnailuy/docker,thaJeztah/docker,yosifkit/docker,Ramzec/docker,moul/docker,djs55/docker,estesp/docker,yongtang/docker,konstruktoid/docker-upstream,tmp6154/docker,trebonian/docker,jthelin/docker,trebonian/docker,paralin/docker,moul/docker,jameszhan/docker,nalind/docker,djs55/docker,yosifkit/docker,ibuildthecloud/docker,konstruktoid/docker-upstream,gnailuy/docker,thaJeztah/docker,Ramzec/docker,paralin/docker,pradipd/moby,kolyshkin/moby,jvanz/docker,cpuguy83/docker,jimjag/docker,gnailuy/docker,Mokolea/docker,jvanz/docker,konstruktoid/docker-upstream,flavio/docker,yongtang/docker,yosifkit/docker,vdemeester/docker,flavio/docker,jameszhan/docker,moul/docker,estesp/docker,paralin/docker,trebonian/docker,mahak/docker,AkihiroSuda/docker,SvenDowideit/docker,moby/moby,bearstech/moby,jimjag/docker,jthelin/docker,cpuguy83/docker,justincormack/docker,yosifkit/docker,bearstech/moby,jimjag/docker,docker/docker,pradipd/moby,SvenDowideit/docker,cpuguy83/docker,thaJeztah/docker,justincormack/docker,cpuguy83/docker,mahak/docker,djs55/docker,kojiromike/docker,moby/moby,tmp6154/docker,tmp6154/docker,konstruktoid/docker-1,nalind/docker,bearstech/moby,Ramzec/docker,jameszhan/docker,moby/moby,flavio/docker,dims/docker,justincormack/docker,vdemeester/docker,AkihiroSuda/docker,Mokolea/docker,yongtang/docker,kolyshkin/moby,moul/docker,nawawi/docker,konstruktoid/docker-1,vdemeester/docker,thaJeztah/docker,bearstech/moby,Mokolea/docker,gnailuy/docker,nawawi/docker,estesp/docker,docker/docker,ibuildthecloud/docker,kojiromike/docker,kolyshkin/moby,docker/docker,jimjag/docker,konstruktoid/docker-1,ibuildthecloud/docker,mahak/docker,flavio/docker,ibuildthecloud/docker,nalind/docker,SvenDowideit/docker,konstruktoid/docker-upstream,pradipd/moby,AkihiroSuda/docker,mahak/docker,dims/docker,paralin/docker,ibuildthecloud/docker,AkihiroSuda/docker,moby/moby,jvanz/docker,trebonian/docker,dims/docker,nawawi/docker,Ramzec/docker,nalind/docker