network:
  version: 2
  renderer: networkd
  ethernets:
    enp1s0:
      optional: true
      accept-ra: false
      dhcp4: false
      addresses: [ 192.168.1.88/24, 2001:678:d78:101::88/64 ]
      gateway4: 192.168.1.252
      gateway6: 2001:678:d78:101::1