network:
  version: 2
  renderer: NetworkManager
  ethernets:
    enp0s7:
      dhcp4: false
      dhcp6: false
   #    tap_vpn:
   #      dhcp4: false
   #      dhcp6: false
   #      optional: true

  bridges:
    br0:  
      dhcp4: false
      dhcp6: false
      interfaces:
          - enp0s7
   #     - tap_vpn
      addresses:
        - 192.168.1.2/24
#gateway4: 192.168.1.1
      routes:
        - to: default 
          via: 192.168.1.1
      nameservers:
        addresses: 
          - 192.168.1.1
          - 8.8.8.8 
          - 1.1.1.1
    
 


vi /etc/NetworkManager/NetworkManager.conf

 


[main]
plugins=ifupdown,keyfile

[ifupdown]
#managed=false

managed=true
 

$sudo systemctl enable systemd-networkd

 


Created symlink /etc/systemd/system/dbus-org.freedesktop.network1.service → /lib/systemd/system/systemd-networkd.service.
Created symlink /etc/systemd/system/multi-user.target.wants/systemd-networkd.service → /lib/systemd/system/systemd-networkd.service.
Created symlink /etc/systemd/system/sockets.target.wants/systemd-networkd.socket → /lib/systemd/system/systemd-networkd.socket.
Created symlink /etc/systemd/system/sysinit.target.wants/systemd-network-generator.service → /lib/systemd/system/systemd-network-generator.service.
Created symlink /etc/systemd/system/network-online.target.wants/systemd-networkd-wait-online.service → /lib/systemd/system/systemd-networkd-wait-online.service.