The same issue with me, DNS Server change (Network Manager) to the OpenDNS 208.67.220.220 solved it for now.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/574886 Title: Apt has strange network errors when updating indexes. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
