Comment 1 for bug 1593765

Astute log:
2016-06-17 11:27:01 NOTICE (Scope(Class[main])) MODULAR: ironic_upload_images
2016-06-17 11:30:11 NOTICE (/Stage[main]/Main/Exec[ironic_upload_images_shell]/returns) executed successfully

Puppet log:
2016-06-17 11:29:12 DEBUG [1630] Node[1]: Node 1: task ironic_upload_images, task status running
2016-06-17 11:29:12 WARNING [1630] Puppet agent 1 didn't respond within the allotted time
2016-06-17 11:29:12 DEBUG [1630] Task time summary: ironic_upload_images with status failed on node 1 took 00:03:00

Images uploads more then 3 minutes which caused error by timeout.
In manual run this task takes around 1 minute.

Looks like virtual env was overloaded at that time.