Version 3.0.17+dfsg-1 of freeradius is marked for autoremoval from testing on Sun 31 Mar 2019. It depends (transitively) on freeipmi, affected by #922404. You should try to prevent the removal by fixing these RC bugs.
This package has been
orphaned. This means that it does not have a real
maintainer at the moment. Please consider adopting this package
if you are interested in it. Please see bug number #923034 for more information.