I can confirm that this is happening, and it's in the output that comes from the buildds, so it's a livecd-rootfs/live-build bug.
(It's probably the former, so adding that package to this bug.) ** Also affects: livecd-rootfs (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1711735 Title: source.list for armhf includes trusty-security which does not exist for arm To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-images/+bug/1711735/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs