/etc/netplan/01-netcfg.yaml

network:
  version: 2
  renderer: networkd
  ethernets:
    ens3:
      dhcp4: no
  bridges:
    viifbr0:
      addresses: [ 10.1.3.43/24 ]
      interfaces: [ ens3 ]
      gateway4: 10.1.3.1
      macaddress: 00:16:3e:7f:ae:93
      nameservers:
         addresses:  [ 8.8.8.8, 8.8.4.4 ]


/etc/netplan/50-cloud******