I create folder, and subfolder.
от top folder add users, allow inheritance.
go to folder and remove check box about inheritance on subfolder
On pop-up window about new permissions select - "Remove"
After press apply - all permissions on place
Very big bug....
With 3.0.28 + posix_acl from 3.0.25 it work correct
Track in one place (the existing bug #5873).
*** This bug has been marked as a duplicate of 5873 ***