improve logging on cfg error


git-svn-id: https://gnunet.org/svn/gnunet@34242 140774ce-b5e7-0310-ab8b-a85725594a96
profiler and cfg


git-svn-id: https://gnunet.org/svn/gnunet@34243 140774ce-b5e7-0310-ab8b-a85725594a96