https://bugzilla.redhat.com/show_bug.cgi?id=1753037
Solution: rpm -Uvh http://vault.centos.org/7.6.1810/updates/x86_64/Packages/polkit-0.112-18.el7_6.1.x86_64.rpm --force
https://bugzilla.redhat.com/show_bug.cgi?id=1753037
Solution: rpm -Uvh http://vault.centos.org/7.6.1810/updates/x86_64/Packages/polkit-0.112-18.el7_6.1.x86_64.rpm --force