It seems this bug is reported at least four times to Fedora project, so it's likely an upstream issue. Fedora references: https://bugzilla.redhat.com/show_bug.cgi?id=964120 https://bugzilla.redhat.com/show_bug.cgi?id=967282 https://bugzilla.redhat.com/show_bug.cgi?id=975073 https://bugzilla.redhat.com/show_bug.cgi?id=976577