Description: Azure apply_network_config default to False
 Azure cloud-images on Xenial already contain hotplug network scripts so
 default behavior for should remain to only generate fallback network
 configuration which is to dhcp on eth0 and let image hotplug scripts add
 network configuration for any additional nics that show up.
Author: Chad Smith <chad.smith@canonical.com>
Origin: backport
Bug: https://bugs.launchpad.net/cloud-init/+bug/1798424
Forwarded: not-needed
Last-Update: 2018-10-17
Index: cloud-init/cloudinit/sources/DataSourceAzure.py
===================================================================
--- cloud-init.orig/cloudinit/sources/DataSourceAzure.py
+++ cloud-init/cloudinit/sources/DataSourceAzure.py
@@ -207,7 +207,7 @@ BUILTIN_DS_CONFIG = {
     },
     'disk_aliases': {'ephemeral0': RESOURCE_DISK_PATH},
     'dhclient_lease_file': LEASE_FILE,
-    'apply_network_config': True,  # Use IMDS published network configuration
+    'apply_network_config': False,  # Use fallback network config not IMDS
 }
 # RELEASE_BLOCKER: Xenial and earlier apply_network_config default is False