Success.
Machine-readable output follows:
apt:
  preserve_sources_list: false
  proxy: http://10.246.72.3:8000/
  sources_list: 'deb http://ports.ubuntu.com/ubuntu-ports $RELEASE main universe multiverse
    restricted

    # deb-src http://ports.ubuntu.com/ubuntu-ports $RELEASE main universe multiverse
    restricted

    deb http://ports.ubuntu.com/ubuntu-ports $RELEASE-updates main universe multiverse
    restricted

    # deb-src http://ports.ubuntu.com/ubuntu-ports $RELEASE-updates main universe
    multiverse restricted

    deb http://ports.ubuntu.com/ubuntu-ports $RELEASE-security main universe multiverse
    restricted

    # deb-src http://ports.ubuntu.com/ubuntu-ports $RELEASE-security main universe
    multiverse restricted

    deb http://ports.ubuntu.com/ubuntu-ports $RELEASE-backports main universe multiverse
    restricted

    # deb-src http://ports.ubuntu.com/ubuntu-ports $RELEASE-backports main universe
    multiverse restricted

    '
cloudconfig:
  maas-cloud-config:
    content: "#cloud-config\ndatasource:\n  MAAS: {consumer_key: 9hc5TJdEhRGfM7Mdfg,\
      \ metadata_url: 'http://localhost:5240/MAAS/metadata/',\n    token_key: 97jmueUgXkF9d8MTcz,\
      \ token_secret: ZXMwk3E6zwwqv2Mr4utrMeAxQkZZVpcm}\n"
    path: /etc/cloud/cloud.cfg.d/90_maas_cloud_config.cfg
  maas-datasource:
    content: 'datasource_list: [ MAAS ]'
    path: /etc/cloud/cloud.cfg.d/90_maas_datasource.cfg
  maas-reporting:
    content: "#cloud-config\nreporting:\n  maas: {consumer_key: 9hc5TJdEhRGfM7Mdfg,\
      \ endpoint: 'http://localhost:5240/MAAS/metadata/status/6r48q7',\n    token_key:\
      \ 97jmueUgXkF9d8MTcz, token_secret: ZXMwk3E6zwwqv2Mr4utrMeAxQkZZVpcm,\n    type:\
      \ webhook}\n"
    path: /etc/cloud/cloud.cfg.d/90_maas_cloud_init_reporting.cfg
  maas-ubuntu-sso:
    content: '#cloud-config

      snappy: {email: sean@nowhere.com}

      '
    path: /etc/cloud/cloud.cfg.d/90_maas_ubuntu_sso.cfg
debconf_selections:
  grub2: grub2   grub2/update_nvram  boolean false
  maas: 'cloud-init   cloud-init/datasources  multiselect MAAS

    cloud-init   cloud-init/maas-metadata-url  string http://localhost:5240/MAAS/metadata/

    cloud-init   cloud-init/maas-metadata-credentials  string oauth_consumer_key=9hc5TJdEhRGfM7Mdfg&oauth_token_key=97jmueUgXkF9d8MTcz&oauth_token_secret=ZXMwk3E6zwwqv2Mr4utrMeAxQkZZVpcm

    cloud-init   cloud-init/local-cloud-config  string manage_etc_hosts: true\nmanual_cache_clean:
    true\nreporting:\n  maas: {consumer_key: 9hc5TJdEhRGfM7Mdfg, endpoint: ''http://localhost:5240/MAAS/metadata/status/6r48q7'',\n    token_key:
    97jmueUgXkF9d8MTcz, token_secret: ZXMwk3E6zwwqv2Mr4utrMeAxQkZZVpcm,\n    type:
    webhook}\n

    '
early_commands:
  driver_00:
  - sh
  - -c
  - echo third party drivers not installed or necessary.
install:
  error_tarfile: /tmp/curtin-logs.tar
  log_file: /tmp/install.log
  post_files:
  - /tmp/install.log
  - /tmp/curtin-logs.tar
kernel:
  mapping: {}
  package: linux-generic
late_commands:
  maas:
  - wget
  - --no-proxy
  - http://localhost:5240/MAAS/metadata/latest/by-id/6r48q7/
  - --post-data
  - op=netboot_off
  - -O
  - /dev/null
  maas_00: chreipl node /dev/vda
network:
  ethernets:
    enc2:
      addresses:
      - 10.246.75.160/22
      gateway4: 10.246.72.1
      match:
        macaddress: 52:54:00:e5:d7:bb
      mtu: 1500
      nameservers:
        addresses:
        - 10.246.72.3
        search:
        - maas
      set-name: enc2
  version: 2
network_commands:
  builtin:
  - curtin
  - net-meta
  - custom
partitioning_commands:
  builtin:
  - curtin
  - block-meta
  - custom
reporting:
  maas:
    consumer_key: 9hc5TJdEhRGfM7Mdfg
    endpoint: http://localhost:5240/MAAS/metadata/status/6r48q7
    token_key: 97jmueUgXkF9d8MTcz
    token_secret: ZXMwk3E6zwwqv2Mr4utrMeAxQkZZVpcm
    type: webhook
showtrace: true
storage:
  config:
  - grub_device: true
    id: vda
    name: vda
    path: /dev/vda
    ptable: msdos
    type: disk
    wipe: superblock
  - device: vda
    id: vda-part1
    name: vda-part1
    number: 1
    offset: 4194304B
    size: 32203866112B
    type: partition
    uuid: f916fef6-0166-4e4c-91ab-a13cf64d2631
    wipe: superblock
  - fstype: ext4
    id: vda-part1_format
    label: root
    type: format
    uuid: 1a4a26b5-dfc3-4e11-8616-e6815253d066
    volume: vda-part1
  - device: vda-part1_format
    id: vda-part1_mount
    path: /
    type: mount
  version: 1
verbosity: 3