network:
    version: 2
    ethernets:
        test_eth0:
            match:
                macaddress: 52:54:00:b9:ab:93
            set-name: test_eth0
            mtu: 1500
        test_eth1:
            match:
                macaddress: 52:54:00:8b:0d:93
            set-name: test_eth1
            mtu: 1500
        test_eth3:
            gateway4: 203.0.113.1
            mtu: 1500
    vlans:
        test_eth0.1556:
            id: 1556
            link: test_eth0
            addresses:
                - 1.2.3.4/24
            gateway4: 1.2.3.1
            routes:
            - to: 10.0.0.0/24
              via: 1.2.3.5
              metric: 100
            nameservers:
                search: [example.com, maas]
                addresses: [10.0.0.1]
            mtu: 1500