network:
  version: 2
  renderer: networkd
  ethernets:
    enp0s25:
      dhcp4: true
  bridges:
    br0:
      addresses: [ 10.3.99.25/24 ]
      interfaces: [ vlan15 ]
  vlans:
    vlan15:
      accept-ra: no
      id: 15
      link: enp0s25