Update main.adoc

Author: mwlinca

main.adoc

@@ -58,6 +58,8 @@ include::modules/k8s-best-practices-topology-manager-and-numa-awareness.adoc[lev
 
 include::modules/k8s-best-practices-ipv4-ipv6.adoc[leveloffset=+3]
 
+include: modules/k8s-best-practices-IPv6-NAT46adoc[leveloffset=+3]
+
 include::modules/k8s-best-practices-vrfs-aka-routing-instances.adoc[leveloffset=+3]
 
 include::modules/k8s-best-practices-ports-reserved-by-openshift.adoc[leveloffset=+3]