Ok, I found it.. this bug only happen when root session is active ( sudo su at any console) I think this is not network-manager related but maybe consolekit or pam this bug may also effect in wifi WEP connection
-- (jaunty) Network manager for ADSL connection not working https://bugs.launchpad.net/bugs/351009 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs