This problem seems similar to this bug report: https://bugs.launchpad.net/ubuntu/+source/dhcp3/+bug/307204. Please have a look there and see if you have the same symptoms.
** Changed in: ubuntu Status: New => Invalid -- Ethernet OK but no internet https://bugs.launchpad.net/bugs/326517 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