Booting UEK R6 in either the SELinux permissive mode or the enforcing mode produces messages similar to the following:

SELinux:  Permission watch in class filesystem not defined in policy. 
SELinux:  Permission watch in class file not defined in policy. 
SELinux:  Permission watch_mount in class file not defined in policy. 
SELinux:  Permission watch_sb in class file not defined in policy.
SELinux: the above unknown classes and permissions will be allowed

These messages are displayed because no definitions currently exist for these classes in SELinux policy. Per the last line of the message, classes and permissions are allowed by default; and therefore, the messages can be safely ignored.

(Bug ID 30687021, 30687021)