Add support for inspecting Mounts which include SubPaths.
Handle SubPaths for kubernetes image volumes.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
(cherry picked from commit 6346a11b0953bf5954a74a122a9caea7fe020c4c)
Signed-off-by: Paul Holzinger <pholzing@redhat.com>