... I should have thought of going at http://bugs.debian.org/ before asking something here ... For those of you who were stuck with the same problem, see : http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=205904 and http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=205905 And then just relaunch dpkg --configure netbase. Jeff