netplan testing config

network:
  version: 2
  renderer: networkd
  ethernets:
    enp4s0:
      dhcp4: true
      dhcp6: true
      dhcp4-overrides:
        route-metric: 100
      dhcp6-overrides:
        route-metric: 100
    eno1:
      dhcp4: true
      dhcp6: false
      dhcp4-overrides:
        route-metric: 200
        use-routes: false
        use-dns: false