BZ2017465: Adding prerequisite for assembly

Author: Shikha Jhala

virt/virtual_machines/vm_networking/virt-viewing-ip-of-vm-nic.adoc

@@ -8,5 +8,9 @@ toc::[]
 
 You can view the IP address for a network interface controller (NIC) by using the web console or the `oc` client. The xref:../../../virt/virtual_machines/virt-installing-qemu-guest-agent.adoc#virt-installing-qemu-guest-agent[QEMU guest agent] displays additional information about the virtual machine's secondary networks.
 
+[id="prerequisites_virt-viewing-ip-of-vm-vnic"]
+== Prerequisites
+* Install the QEMU guest agent on the virtual machine.
+
 include::modules/virt-viewing-vmi-ip-cli.adoc[leveloffset=+1]
 include::modules/virt-viewing-vmi-ip-web.adoc[leveloffset=+1]