Execute the following command on all the compute nodes to check the version of openstack-selinux.
# rpm -q openstack-selinuxExample
# rpm -q openstack-selinux openstack-selinux-0.8.14-1.el7ost.noarch
If the version of openstack-selinux is older than 0.8.13-1, apply errata to update the openstack-selinux package to its latest version.