Version 10.6.8-2 of dogtag-pki is marked for autoremoval from testing on Wed 13 Mar 2019. It is affected by #920725, #921926. The removal of dogtag-pki will also cause the removal of (transitive) reverse dependency: freeipa. It depends (transitively) on 389-ds-base, affected by #913820. You should try to prevent the removal by fixing these RC bugs.