Without further ado, the following was found: Issue: mount point → mount ? "The propagation type assigned to a new mount depends on the propagation type " "of the parent mount. If the mount has a parent (i.e., it is a non-root " "mount point) and the propagation type of the parent is B<MS_SHARED>, then " "the propagation type of the new mount is also B<MS_SHARED>. Otherwise, the " "propagation type of the new mount is B<MS_PRIVATE>."