subnets:
    - name: internal_v4
      network_name: internal
      ip_version: 4
      cidr: 172.16.255.0/24
      pool_start: 172.16.255.2
      pool_end: 172.16.255.254
      enable_dhcp: "true"
      gateway_ip: 172.16.255.1
      dns_nameservers: '8.8.8.8,8.8.4.4'
    - name: internal_v6
      network_name: internal
      ip_version: 6
      cidr: 2db8:1::/64
      enable_dhcp: "true"
      gateway_ip: 2db8:1::1
      ipv6_address_mode: dhcpv6-stateless
      ipv6_ra_mode: dhcpv6-stateless
      dns_nameservers: '2001:4860:4860::8888,2001:4860:4860::8844'
    - name: external
      network_name: external
      ip_version: 4
      cidr: 192.168.255.0/24
      enable_dhcp: "false"
      gateway_ip: 192.168.255.1
      dns_nameservers: '8.8.8.8,8.8.4.4'

- name: neutron subnets
  os_subnet:
    name: "{{ item.name }}"
    network_name: "{{ item.network_name }}"
    cidr: "{{ item.cidr }}"
    enable_dhcp: "{{ item.enable_dhcp }}"
    gateway_ip: "{{ item.gateway_ip }}"
    ip_version: "{{ item.ip_version }}"
    ipv6_ra_mode: "{{ item.ipv6_ra_mode | default(omit) }}"
    ipv6_address_mode: "{{ item.ipv6_ra_mode | default(omit) }}"
    dns_nameservers: "{{ item.dns_nameservers|default(omit) }}"
    allocation_pool_start: "{{ item.pool_start|default(omit) }}"
    allocation_pool_end: "{{ item.pool_end|default(omit) }}"
    state: present
    auth:
      auth_url: "{{ endpoints.auth_uri }}"
      project_name: admin
      username: admin
      password: "{{ secrets.admin_password }}"
  with_items: "{{ neutron.subnets }}"
  run_once: true

task path: /Users/jkeating/src/ursula/roles/openstack-setup/tasks/networks.yml:17
An exception occurred during task execution. To see the full traceback, use -vvv. The error was: KeyError: 'network_name'
failed: [173.247.105.11] => (item={'name': 'internal_v4', 'enable_dhcp': 'true', 'pool_end': '172.16.255.254',
'dns_nameservers': '8.8.8.8,8.8.4.4', 'pool_start': '172.16.255.2', 'gateway_ip': '172.16.255.1', 'ip_version': 4,
'cidr': '172.16.255.0/24', 'network_name': 'internal'}) =>
{"failed": true, "item": {"cidr": "172.16.255.0/24", "dns_nameservers": "8.8.8.8,8.8.4.4", "enable_dhcp": "true",
"gateway_ip": "172.16.255.1", "ip_version": 4, "name": "internal_v4", "network_name": "internal",
"pool_end": "172.16.255.254", "pool_start": "172.16.255.2"}, "parsed": false}