SELinux prevents login on Koschei Fedora 27 machines

roles/koschei/common/tasks/main.yml

@@ -1,4 +1,14 @@
 ---
+# FIXME workaround for https://bugzilla.redhat.com/show_bug.cgi?id=1513704
+# See also: https://pagure.io/fedora-infrastructure/issue/6540
+- name: Put SELinux in permissive mode
+  selinux: state=permissive policy=targeted
+  when: ansible_distribution_major_version|int > 26
+  tags:
+  - koschei
+  - config
+  - selinux
+
 - name: Add koschei copr dev repo on stg
   when: env == "staging"
   template: src=copr.repo.j2 dest=/etc/yum.repos.d/copr.repo