network:
  version: 2
  renderer: networkd
  ethernets:
    enp3s0: {}
    enp4s0: {}
  bonds:
    bond0:
      dhcp4: yes
      interfaces:
        - enp3s0
        - enp4s0
      parameters:
        mode: active-backup
        primary: enp3s0
        mii-monitor-interval: 100