When this happens, it might be caused by an unconfigured loopback interface. To fix that, type this into a terminal:
sudo ifdown lo sudo ifup lo ifdown makes sure that /var/run/network/ifstate doesn't list lo -- System -> Quit takes a long time to appear https://bugs.launchpad.net/bugs/123078 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs