kvmhost/netplan/02-bridges.yaml

network:
  version: 2
  renderer: networkd

# not used in production
  bridges:
    brdmz: &defaults
      dhcp4: false
      dhcp6: false
      parameters:
        stp: false
        forward-delay: 0
      addresses:
        - 192.168.250.1/24
    brmgmt:
      <<: *defaults
      addresses:
        - 192.168.255.1/24
    brapp:
      <<: *defaults
      addresses:
        - 192.168.251.1/24
    brdmz:
      <<: *defaults
      addresses:
        - 192.168.252.1/24