Add logging message when using user namespaces and mount namespaces.

Also fix a comment that was > 80 cols.

Bug: 28714771
(cherry picked from commit df7fab1a0e0ca2c02ec366ba1f530bc8db7c8688)

Change-Id: I675542183d43a2203ea109ab18c77ee1f94ae341
Reviewed-on: https://chromium-review.googlesource.com/360256
Commit-Ready: Dylan Reid <dgreid@chromium.org>
Tested-by: Dylan Reid <dgreid@chromium.org>
Reviewed-by: Stephen Barber <smbarber@chromium.org>
1 file changed