cat /var/log/ovirt-engine/setup/ovirt-engine-setup-20180712081855-efeaj4.log | grep -v DEBUG

...

Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/otopi/plugin.py", line 856, in executeRaw
    preexec_fn=preexec_fn,
  File "/usr/lib64/python2.7/subprocess.py", line 711, in __init__
    errread, errwrite)
  File "/usr/lib64/python2.7/subprocess.py", line 1327, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/otopi/context.py", line 133, in _executeMethod
    method['method']()
  File "/usr/share/ovirt-engine/setup/bin/../plugins/ovirt-engine-setup/ovirt-engine/network/ovirtproviderovn.py", line 877, in _misc_configure_provider
    self._upate_external_providers_keystore()
  File "/usr/share/ovirt-engine/setup/bin/../plugins/ovirt-engine-setup/ovirt-engine/network/ovirtproviderovn.py", line 747, in _upate_external_providers_keystore
    'pass': truststore_password,
  File "/usr/share/ovirt-engine/setup/bin/../plugins/ovirt-engine-setup/ovirt-engine/network/ovirtproviderovn.py", line 507, in _execute_command
    env=env,
  File "/usr/lib/python2.7/site-packages/otopi/plugin.py", line 912, in execute
    **kwargs
  File "/usr/lib/python2.7/site-packages/otopi/plugin.py", line 856, in executeRaw
    preexec_fn=preexec_fn,
  File "/usr/lib64/python2.7/subprocess.py", line 711, in __init__
    errread, errwrite)
  File "/usr/lib64/python2.7/subprocess.py", line 1327, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory
2018-07-12 08:45:24,846-0600 ERROR otopi.context context._executeMethod:152 Failed to execute stage 'Misc configuration': [Errno 2] No such file or directory
2018-07-12 08:45:24,846-0600 INFO otopi.plugins.otopi.packagers.yumpackager yumpackager.info:80 Yum Performing yum transaction rollback
 ....