Env is train on centos7.
During an overcloud deployment with custom roles containing no services, the following error appears during config-download task 'Wait for containers to start for step 1 using paunch':
'stderr_lines': [u'docker runtime is deprecated in Stein and will be removed in Train.',
u'Traceback (most recent call last):',
u' File "/home/tripleo-admin/.ansible/tmp/ansible-tmp-1587645146.03-245996906548020/AnsiballZ_paunch.py", line 114, in <module>',
u' _ansiballz_main()',
u' File "/home/tripleo-admin/.ansible/tmp/ansible-tmp-1587645146.03-245996906548020/AnsiballZ_paunch.py", line 106, in _ansiballz_main',
u' invoke_module(zipped_mod, temp_path, ANSIBALLZ_PARAMS)',
u' File "/home/tripleo-admin/.ansible/tmp/ansible-tmp-1587645146.03-245996906548020/AnsiballZ_paunch.py", line 49, in invoke_module',
u" imp.load_module('__main__', mod, module, MOD_DESC)",
u' File "/tmp/ansible_paunch_payload_n_mqO9/__main__.py", line 250, in <module>',
u' File "/tmp/ansible_paunch_payload_n_mqO9/__main__.py", line 246, in main',
u' File "/tmp/ansible_paunch_payload_n_mqO9/__main__.py", line 177, in __init__',
u' File "/tmp/ansible_paunch_payload_n_mqO9/__main__.py", line 201, in paunch_apply',
u' File "/usr/lib/python2.7/site-packages/paunch/__init__.py", line 84, in apply',
u' return builder.apply()',
u' File "/usr/lib/python2.7/site-packages/paunch/builder/base.py", line 63, in apply',
u' changed = self.delete_missing(container_names)',
u' File "/usr/lib/python2.7/site-packages/paunch/builder/base.py", line 192, in delete_missing',
u' for cn in container_names:',
u"TypeError: 'NoneType' object is not iterable"]}
can you please attach some logs?