I've verified this functional in yakkety with test case as described above. $ dpkg-query --show overlayroot overlayroot 0.30ubuntu1.1
$ cat /etc/cloud/build.info build_name: server serial: 20161123 ** Tags added: verification-done-yakkety -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1634310 Title: crypt:dev=/dev/vdb parameter does not work with randomly generated passphrase To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cloud-initramfs-tools/+bug/1634310/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs