hosted-engine --deploy --restore-from-file fails to complete

Issue

hosted-engine --deploy --restore-from-file fails to complete with the following errors:

2019-03-15 12:56:08,181-0400 INFO otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:100 TASK [Wait for the host to be up]
2019-03-15 13:06:45,132-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:94 {u'_ansible_parsed': True, u'_ansible_no_log': False, u'changed': False, u'attempts': 120, u'invocation': {u'module_args': {u'all_content': False, u'pattern': u'name=example.com', u'fetch_nested': False, u'nested_attributes': []}}, u'ansible_facts': {u'ovirt_hosts': []}}
2019-03-15 13:06:45,232-0400 ERROR otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:98 fatal: [localhost]: FAILED! => {"ansible_facts": {"ovirt_hosts": []}, "attempts": 120, "changed": false}
...
2019-03-15 13:07:20,692-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:94 rm_localvm_dir: {'failed': False, u'state': u'absent', u'changed': True, u'diff': {u'after': {u'path': u'/var/tmp/localvmO_gYOl', u'state': u'absent'}, u'before': {u'path': u'/var/tmp/localvmO_gYOl', u'state': u'directory'}}, u'path':u'/var/tmp/localvmO_gYOl'}
2019-03-15 13:07:21,093-0400 INFO otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:100 TASK [Remove temporary entry in /etc/hosts for the local VM]
2019-03-15 13:07:21,594-0400 INFO otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:100 changed: [localhost]
2019-03-15 13:07:21,994-0400 INFO otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:100 TASK [Notify the user about a failure]
2019-03-15 13:07:22,295-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:94 {u'msg': u'The system may not be provisioned according to the playbook results: please check the logs for the issue, fix accordingly or re-deploy from scratch.\n', u'changed': False, u'_ansible_no_log': False}
2019-03-15 13:07:22,395-0400 ERROR otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:98 fatal: [localhost]: FAILED! => {"changed": false, "msg": "The system may not be provisioned according to the playbook results: please check the logs for the issue, fix accordingly or re-deploy from scratch.\n"}
2019-03-15 13:07:22,596-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils.run:180 ansible-playbook rc: 2
2019-03-15 13:07:22,596-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:94 PLAY RECAP [example.com] : ok: 41 changed: 23 unreachable: 0 skipped: 3 failed: 0
2019-03-15 13:07:22,596-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:94 PLAY RECAP [localhost] : ok: 90 changed: 31 unreachable: 0 skipped: 14 failed: 2
2019-03-15 13:07:22,596-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils.run:187 ansible-playbook stdout:
2019-03-15 13:07:22,596-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils.run:189 Pausing for 10 seconds

2019-03-15 13:07:22,597-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils.run:189 (ctrl+C then 'C' = continue early, ctrl+C then 'A' = abort)

2019-03-15 13:07:22,597-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils.run:189  to retry, use: --limit @/usr/share/ovirt-hosted-engine-setup/ansible/bootstrap_local_vm.retry

2019-03-15 13:07:22,597-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils.run:190 ansible-playbook stderr:
2019-03-15 13:07:22,597-0400 DEBUG otopi.context context._executeMethod:143 method exception
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-hosted-engine-setup/scripts/../plugins/gr-he-ansiblesetup/core/misc.py", line 296, in _closeup
    r = ah.run()
  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_setup/ansible_utils.py", line 194, in run
    raise RuntimeError(_('Failed executing ansible-playbook'))
RuntimeError: Failed executing ansible-playbook
2019-03-15 13:07:22,598-0400 ERROR otopi.context context._executeMethod:152 Failed to execute stage 'Closing up': Failed executing ansible-playbook
...
2019-03-15 13:07:40,038-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:94 {u'msg': u"The task includes an option with an undefined variable. The error was: 'local_vm_disk_path' is undefined\n\nThe error appears to have been in '/usr/share/ovirt-hosted-engine-setup/ansible/fetch_engine_logs.yml': line 16, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n    seconds: 10\n- name: Copy engine logs\n  ^ here\n", u'_ansible_no_log': False}
2019-03-15 13:07:40,139-0400 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:94 ignored: [localhost]: FAILED! => {"msg": "The task includes an option with an undefined variable. The error was: 'local_vm_disk_path' is undefined\n\nThe error appears to have been in '/usr/share/ovirt-hosted-engine-setup/ansible/fetch_engine_logs.yml': line 16, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n    seconds: 10\n- name: Copy engine logs\n  ^ here\n"}