Comment 10 for bug 1717477

## launched instance on Openstack
$ cat /etc/cloud/build.info
build_name: server
serial: 20170929

$ git clone http://git.launchpad.net/~smoser/cloud-init/+git/sru-info

$ sudo apt-get update -q && sudo apt-get install -q cloud-init
..
cloud-init is already the newest version (0.7.9-233-ge586fe35-0ubuntu1~16.04.1).

$ dpkg-query --show cloud-init
0.7.9-233-ge586fe35-0ubuntu1~16.04.1

$ ./sru-info/bin/save-old-data orig-boot

$ bdev="/dev/vdb";
$ sudo umount $bdev || :
$ sudo sed -i '/comment=cloudconfig/d' /etc/fstab
$ sudo mkdir -p /mnt
$ sudo mkfs.ext4 -F "$bdev"
$ echo "$bdev /mnt auto defaults 0 2" | sudo tee -a /etc/fstab

$ cat /etc/fstab
LABEL=cloudimg-rootfs / ext4 defaults 0 0
/dev/vdb /mnt auto defaults 0 2

$ ./sru-info/bin/do-reboot

### ssh back in and see the bug.
$ journalctl -o short-precise | grep -i ordering.cycle
Oct 02 19:40:09.174479 xenial-1717477 systemd[1]: networking.service: Found ordering cycle on networking.service/start
Oct 02 19:40:09.174552 xenial-1717477 systemd[1]: networking.service: Breaking ordering cycle by deleting job apparmor.service/start
Oct 02 19:40:09.174565 xenial-1717477 systemd[1]: apparmor.service: Job apparmor.service/start deleted to break ordering cycle starting with networking.service/start
Oct 02 19:40:09.174576 xenial-1717477 systemd[1]: networking.service: Found ordering cycle on networking.service/start
Oct 02 19:40:09.174638 xenial-1717477 systemd[1]: networking.service: Breaking ordering cycle by deleting job local-fs.target/start
Oct 02 19:40:09.174650 xenial-1717477 systemd[1]: local-fs.target: Job local-fs.target/start deleted to break ordering cycle starting with networking.service/start

### enable proposed to show fix.
$ sudo ./sru-info/bin/enable-proposed
deb http://nova.clouds.archive.ubuntu.com/ubuntu/ xenial-proposed main universe

$ sudo apt-get update -q && sudo apt-get install -qy cloud-init
...
Unpacking cloud-init (0.7.9-233-ge586fe35-0ubuntu1~16.04.2) over (0.7.9-233-ge586fe35-0ubuntu1~16.04.1) ...
Processing triggers for ureadahead (0.100.0-19) ...
Setting up cloud-init (0.7.9-233-ge586fe35-0ubuntu1~16.04.2) ...
Leaving 'diversion of /etc/init/ureadahead.conf to /etc/init/ureadahead.conf.disabled by cloud-init'

$ sudo ./sru-info/bin/save-old-data show-bug

$ sudo ./sru-info/bin/do-reboot

## ssh back in
$ journalctl -o short-precise | grep -i ordering.cycle || echo "no cycles"
no cycles

$ grep WARN /var/log/cloud-init || echo "no warnings"
no warnings

$ cat /etc/fstab
LABEL=cloudimg-rootfs / ext4 defaults 0 0
/dev/vdb /mnt auto defaults 0 2

$ grep vdb /proc/mounts
/dev/vdb /mnt ext4 rw,relatime,data=ordered 0 0