Add three new capabilities that would otherwise be reported as unknown.
Also add an e2e test making sure that `podman top` knows all
capabilities of the current kernel. I refrained from adding a system
test since this may blow up in gating tests.
Signed-off-by: Valentin Rothberg <vrothberg@redhat.com>
<MH: Fixed cherry-pick conflicts>
Signed-off-by: Matthew Heon <mheon@redhat.com>