OSDOCS-4717 reminder to leave NetworkManager enabled for the success of the node

jmanthei · jmanthei · commit 88dffa5fb2e5 · 2023-08-07T06:53:54.000-05:00
diff --git a/modules/rhel-preparing-node.adoc b/modules/rhel-preparing-node.adoc
@@ -7,7 +7,7 @@
 [id="rhel-preparing-node_{context}"]
 = Preparing a RHEL compute node
 
-Before you add a Red Hat Enterprise Linux (RHEL) machine to your {product-title} cluster, you must register each host with Red Hat Subscription Manager (RHSM), attach an active {product-title} subscription, and enable the required repositories.
+Before you add a Red Hat Enterprise Linux (RHEL) machine to your {product-title} cluster, you must register each host with Red Hat Subscription Manager (RHSM), attach an active {product-title} subscription, and enable the required repositories. Ensure `NetworkManager` is enabled and configured to control all interfaces on the host.
 
 . On each host, register with RHSM:
 +

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`	`[id="rhel-preparing-node_{context}"]`
`8`	`8`	`= Preparing a RHEL compute node`
`9`	`9`
`10`		`-Before you add a Red Hat Enterprise Linux (RHEL) machine to your {product-title} cluster, you must register each host with Red Hat Subscription Manager (RHSM), attach an active {product-title} subscription, and enable the required repositories.`
	`10`	+Before you add a Red Hat Enterprise Linux (RHEL) machine to your {product-title} cluster, you must register each host with Red Hat Subscription Manager (RHSM), attach an active {product-title} subscription, and enable the required repositories. Ensure `NetworkManager` is enabled and configured to control all interfaces on the host.
`11`	`11`
`12`	`12`	`. On each host, register with RHSM:`
`13`	`13`	`+`