Comment 15 for bug 1691489

Validated across multiple (5) 'clean' reboots that Azure vms don't hit the race condition with mounts and don't result in cloud-init errors.

ubuntu@xen1:~$ dpkg-query --show cloud-init
cloud-init 0.7.9-233-ge586fe35-0ubuntu1~16.04.1
ubuntu@xen1:~$ grep -i error /var/log/cloud-init.log /run/cloud-init/*
grep: /run/cloud-init/dhclient.hooks: Is a directory
/run/cloud-init/result.json: "errors": []
/run/cloud-init/status.json: "errors": [],
/run/cloud-init/status.json: "errors": [],
/run/cloud-init/status.json: "errors": [],
/run/cloud-init/status.json: "errors": [],
ubuntu@xen1:~$ cat /run/cloud-init/result.json
{
 "v1": {
  "datasource": "DataSourceAzure [seed=/var/lib/waagent]",
  "errors": []
 }
}
ubuntu@xen1:~$ grep reformat /var/log/cloud-init.log
2017-09-12 21:58:12,526 - DataSourceAzure.py[DEBUG]: reformattable=False: partition 1 (/dev/sdb1) on device /dev/disk/cloud/azure_resource was not ntfs formatted