Added command to set libvirtd to traditional mode (#462)

Co-authored-by: Abhisar Sinha <63767682+abh1sar@users.noreply.github.com>

Author: Dav-11

source/adminguide/networking/virtual_private_cloud_config.rst

@@ -266,6 +266,10 @@ other Network Tiers within the VPC.
 
    -  **Name**: A unique name for the Network Tier you create.
 
+   .. note::
+      Admins can choose to automatically prepend the VPC name to the Tier name during creation
+      using global configurations "vpc.tier.name.prepend" and "vpc.tier.name.prepend.delimiter".
+
    -  **Network Offering**: The following default Network offerings are
       listed: Internal LB,
       DefaultIsolatedNetworkOfferingForVpcNetworksNoLB,

source/installguide/hypervisor/kvm.rst

@@ -478,6 +478,12 @@ cloudstack-agent and should already be installed.
    .. parsed-literal::
       remote_mode="legacy"
 
+   On Ubuntu 24.04 or newer set libvirtd mode to traditional mode (see https://libvirt.org/manpages/libvirtd.html#system-socket-activation):
+
+   .. parsed-literal::
+
+      systemctl mask libvirtd.socket libvirtd-ro.socket libvirtd-admin.socket libvirtd-tls.socket libvirtd-tcp.socket
+
 
 #. Restart libvirt