Add /proc/acpi to masked paths
Add /proc/acpi to masked paths

relates to CVE-2018-10892

Signed-off-by: Sebastiaan van Stijn <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@gone.nl>

crosbymichael/containerd,dmcgowan/containerd,crosbymichael/containerd,estesp/containerd,vdemeester/containerd,kunalkushwaha/containerd,dmcgowan/containerd,miaoyq/containerd,mikebrow/containerd,thaJeztah/containerd,estesp/containerd,vdemeester/containerd,kunalkushwaha/containerd,containerd/containerd,thaJeztah/containerd,mikebrow/containerd,miaoyq/containerd,containerd/containerd