This affects the trusty image for arm64 as well, noted at https://github.com/docker-library/official-images/issues/3583 (which referred me back here).
** Bug watch added: github.com/docker-library/official-images/issues #3583 https://github.com/docker-library/official-images/issues/3583 -- 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