fix for printing address


git-svn-id: https://gnunet.org/svn/gnunet@31893 140774ce-b5e7-0310-ab8b-a85725594a96
increase log level for useful messages


git-svn-id: https://gnunet.org/svn/gnunet@31894 140774ce-b5e7-0310-ab8b-a85725594a96