openstck update fails with socket is already closed

Issue

Openstack update process fails with socket is already closed.

$ openstsack overcloud update stack --nodes Compute --stack overcloud

[...]
 u'TASK [Run docker-puppet tasks (bootstrap tasks)] *******************************',
 u'skipping: [10.X.X.101]',
 u'',
 u'TASK [debug] *******************************************************************',
 u'skipping: [10.X.X.101]',
 u'',
 u'TASK [Set host puppet debugging fact string] ***********************************',
 u'skipping: [10.X.X.101]',
 u'',
 u'TASK [Write the config_step hieradata] *****************************************',
 u'changed: [10.X.X.101]',
 u'',
 u'TASK [Run puppet host configuration for step 5] ********************************',
 u'changed: [10.X.X.101]']
socket is already closed. <============