A work around that works for me is killing the NetworkManager process using "sudo killall NetworkManager". The daemon re-starts and the network is restored.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1184262 Title: network-manager has decided that networking is disabled, cannot be re- enabled from lightdm To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1184262/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
