diff -uNrp cloud-init-18.2.orig/rhel/cloud.cfg cloud-init-18.2/rhel/cloud.cfg
--- cloud-init-18.2.orig/rhel/cloud.cfg	2018-11-04 15:38:13.763701007 +0000
+++ cloud-init-18.2/rhel/cloud.cfg	2018-11-04 15:41:06.934576619 +0000
@@ -52,7 +52,7 @@ cloud_final_modules:
 
 system_info:
   default_user:
-    name: cloud-user
+    name: centos
     lock_passwd: true
     gecos: Cloud User
     groups: [wheel, adm, systemd-journal]