Comment 8 for bug 1551854

This is the config from the container that had the issue this morning:

c@mawhrin-skel:~/omnibus-layers$ lxc config show juju-145a3177-d1c0-4974-89f6-feaebb3ca87d-machine-0
name: juju-145a3177-d1c0-4974-89f6-feaebb3ca87d-machine-0
profiles:
- default
- juju-lxd
config:
  user.juju-model-uuid: "true"
  user.user-data: |
    #cloud-config
    output:
      all: '| tee -a /var/log/cloud-init-output.log'
    runcmd:
    - set -xe
    - install -D -m 644 /dev/null '/etc/init/juju-clean-shutdown.conf'
    - |-
      printf '%s\n' '
      author "Juju Team <email address hidden>"
      description "Stop all network interfaces on shutdown"
      start on runlevel [016]
      task
      console output

      exec /sbin/ifdown -a -v --force
      ' > '/etc/init/juju-clean-shutdown.conf'
    - install -D -m 644 /dev/null '/var/lib/juju/nonce.txt'
    - printf '%s\n' 'user-admin:bootstrap' > '/var/lib/juju/nonce.txt'
    users:
    - groups:
      - adm
      - audio
      - cdrom
      - dialout
      - dip
      - floppy
      - netdev
      - plugdev
      - sudo
      - video
      lock_passwd: true
      name: ubuntu
      shell: /bin/bash
      ssh-authorized-keys:
      - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDNt6t7py1b0vwYVobsx490piX1LrjtCJrcmOH49EKOtTzxxiv1aTRqVOD38pKR8WPWUc6ZTjYtGetqbwhvma8FLWeTjIaPyw8QzKAS963/KNzZRqE+iALtcdA9sJgrp5hxxl00zZ7cD7b2OD5SOzSjyRHJkBxGDnkzE07g+/qXekkPzVHKvAMbaBU+OwnuW3KSy20/y2D/qlWkLfF7FWfeEvb6P8KwIFZagv/yt+QeLONq4FLwowdBIwMDHBKFA3H+dKzld5bs3hGvLNhlFYUdeKs/F+swkYwwi5ycWj7N7clu0wvP9ZZhXlUJ2Fog39GrXznnekPqr4pAwL8m3vr9
        Juju:juju-client-key
      sudo:
      - ALL=(ALL) NOPASSWD:ALL
  volatile.base_image: 510c27eb5e30ac53c6cf8b423d4e145bd2e40b8845e89bd66a5d78e2a087727a
  volatile.eth0.hwaddr: 00:16:3e:9a:00:f9
  volatile.last_state.idmap: '[{"Isuid":true,"Isgid":false,"Hostid":165536,"Nsid":0,"Maprange":65536},{"Isuid":false,"Isgid":true,"Hostid":165536,"Nsid":0,"Maprange":65536}]'
  volatile.lo.hwaddr: 00:16:3e:3d:f5:18
devices:
  root:
    path: /
    type: disk
ephemeral: false