network:
  version: 2
  renderer: networkd
  ethernets:
    enp37s0:
      dhcp4: no
      dhcp6: no
  bridges:
    br0:
      interfaces: [enp37s0]
      dhcp4: yes
      dhcp6: false
      # For DHCP server to always lease the same IP:
      dhcp-identifier: mac
      macaddress: 74:af:c8:94:07:4b
      # Example of static route:
      routes:
      - to: 10.10.10.0/24
        via: 10.16.32.50