doc: update doc to use sudo with systemctl command
systemctl won't run as a normal Linux user, requires sudo
Also augment the description information
@@ -659,13 +659,13 @@ The ACRN hypervisor boots the Ubuntu Service VM automatically.
[ 0.000000] Hypervisor detected: ACRN
-#. Start the ServiceVM's system daemon for managing network configurations,
- so the Device Model can create a bridge device that provides User VMs with
+#. Enable and start the Service VM's system daemon for managing network configurations,
+ so the Device Model can create a bridge device (acrn-br0) that provides User VMs with
wired network access:
.. code-block:: bash
- systemctl enable --now systemd-networkd
+ sudo systemctl enable --now systemd-networkd
.. _gsg-user-vm:
