This has happend two times at customers installation over a 6 months period and it usally works.
After some digging around we have found that this is a regression of bug #4157 which changes the api of selinux module.
(In reply to comment #1) > After some digging around we have found that this is a regression of bug #4157 > which changes the api of selinux module. Commit r24932 is the origin problem.
Commit 27189 adds a logger callback to restorecon().
Tester should reproduce a problem, to verify that the error logging works as expected and also verify the main topic that selinux context are restored as expected.
Verified and tested on customers site.