network_config:
  -
    type: ib_interface
    name: ib0
    use_dhcp: false
    addresses:
    -
      ip_netmask: 192.0.2.1/24
    routes:
      -
        ip_netmask: 0.0.0.0/0
        next_hop: 192.0.2.254
        default: true
  -
    type: interface
    name: ib1
    use_dhcp: true
    defroute: false