Comment 1 for bug 1901111

After running with the minus removed from the end loop line, below is the resulting (valid) config.yaml.

[heat-admin@overcloud-controller-0 ~]$ sudo cat /etc/os-net-config/config.yaml
---
network_config:
- type: ovs_bridge
  name: br-ex
  dns_servers: ['10.99.99.12']
  domain: ['kdjlab.com']
  use_dhcp: false
  addresses:
  - ip_netmask: 10.100.4.84/24
  routes: []
  members:
  - type: ovs_bond
    name: bond1
    mtu: 1500
    ovs_options: bond_mode=balance-slb
    members:
    - type: interface
      name: nic1
      mtu: 1500
      primary: true
    - type: interface
      name: nic2
      mtu: 1500
  - type: vlan
    mtu: 1500
    vlan_id: 1107
    addresses:
    - ip_netmask: 10.100.7.169/24
    routes: []
  - type: vlan
    mtu: 1500
    vlan_id: 1108
    addresses:
    - ip_netmask: 10.100.8.150/24
    routes: []
  - type: vlan
    mtu: 1500
    vlan_id: 1105
    addresses:
    - ip_netmask: 10.100.5.163/24
    routes: []
  - type: vlan
    mtu: 1500
    vlan_id: 1106
    addresses:
    - ip_netmask: 10.100.6.167/24
    routes: []
  - type: vlan
    mtu: 1500
    vlan_id: 2100
    addresses:
    - ip_netmask: 192.168.100.48/24
    routes: [{'default': True, 'next_hop': '192.168.100.1'}]