[CS9] TripleO CI failing on ovb-manage: find UUID of instance

During a job run for "tripleo-ci-centos-9-ovb-3ctlr_1comp-featureset001-wallaby" [1] and "tripleo-ci-centos-9-ovb-3ctlr_1comp-featureset001" [2] it fails with an error:

2022-01-31 14:21:21.412786 | TASK [ovb-manage : Find out UUID of instance with metadata file]
2022-01-31 09:21:22.248316 | primary | Traceback (most recent call last):
2022-01-31 09:21:22.248423 | primary | File "<string>", line 1, in <module>
2022-01-31 09:21:22.248439 | primary | File "/usr/lib64/python3.9/json/__init__.py", line 293, in load
2022-01-31 09:21:22.248443 | primary | return loads(fp.read(),
2022-01-31 09:21:22.248448 | primary | File "/usr/lib64/python3.9/json/__init__.py", line 346, in loads
2022-01-31 09:21:22.248452 | primary | return _default_decoder.decode(s)
2022-01-31 09:21:22.248457 | primary | File "/usr/lib64/python3.9/json/decoder.py", line 337, in decode
2022-01-31 09:21:22.248534 | primary | obj, end = self.raw_decode(s, idx=_w(s, 0).end())
2022-01-31 09:21:22.248542 | primary | File "/usr/lib64/python3.9/json/decoder.py", line 355, in raw_decode
2022-01-31 09:21:22.248609 | primary | raise JSONDecodeError("Expecting value", s, err.value) from None
2022-01-31 09:21:22.248615 | primary | json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
2022-01-31 14:21:22.493259 | primary | ERROR

[1]: https://review.rdoproject.org/zuul/build/4627e40b57b74151817be17959828b18/log/job-output.txt#4778
[2]: https://review.rdoproject.org/zuul/build/7151b15648a541d6bf37bd1174690cf7/log/job-output.txt#854