network:
  version: 1
  config:
    # Physical interfaces.
    - type: physical
      name: eth0
      mac_address: "fa:16:3e:4b:63:49"
      subnets:
        - type: dhcp
    # VLAN interface.
    - type: vlan
      name: eth0.101
      vlan_link: eth0
      vlan_id: 101
      mtu: 1500
      subnets:
        - type: static
          address: 192.168.0.2/24