Description of problem:
Bug reporting to the retrace server currently fails for current Fedora 24. The bug reporting tool returns the error message:

----
INFO: mock.py version 1.2.15 starting (python version = 2.7.5)...
Start: init plugins
INFO: selinux enabled
Finish: init plugins
Start: run
Start: clean chroot
Finish: clean chroot
Start: chroot init
INFO: calling preinit hooks
Mock Version: 1.2.15
INFO: Mock Version: 1.2.15
Start: yum install
ERROR: Command failed. See logs for output.
 # /usr/bin/yum --installroot /var/lib/mock/990571608/root/ --skip-broken instal
l bash cpio glibc-debuginfo abrt-addon-ccpp shadow-utils gdb rpm --setopt=tsflag
s=nocontexts
WARNING: unable to delete selinux filesystems (/tmp/mock-selinux-plugin.RTQi3G):
 [Errno 1] Operation not permitted: '/tmp/mock-selinux-plugin.RTQi3G'
---

Version-Release number of selected component (if applicable):
abrt-2.8.0-4.fc24

How reproducible:
Always

Steps to Reproduce:
1. Report ABRT issue to retrace server.

Actual results:
Bug processing fails

Expected results:
Bug processing succeeds

Additional info:
Issue absent when reporting issues for current Fedora 23.