Sorry to respond so late. It does appear that these servers were in fact down. Thanks. Feel free to close this bug.
-- Update manager can't download updates https://bugs.launchpad.net/bugs/197154 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