Move XOS to port 8888 on head node

Change-Id: Ifbbb33b644bf0f7ad82033faec3b4b3de47d2916
(cherry picked from commit 707c1d7cc317525ff72bb774c2cdc2041c967c45)
diff --git a/roles/config-virt/files/qemu b/roles/config-virt/files/qemu
index 451cdda..824816f 100644
--- a/roles/config-virt/files/qemu
+++ b/roles/config-virt/files/qemu
@@ -33,7 +33,7 @@
     XOS=$( getent hosts xos | awk '{print $1}' )
     if [ -n "$XOS" ]
     then
-	add_port_fwd_rule 80 $XOS 80
+	add_port_fwd_rule 8888 $XOS 80
     fi
     add_rule "filter" "FORWARD" "-p tcp --dport 80 -j ACCEPT"
 fi