Log:

2016-09-02 07:26:52::ERROR::hypervisors::197::root:: Failure fetching information about hypervisors from API.

Error (ValueError): legacy is not a valid RngSource

2016-09-02 07:26:52::ERROR::__main__::1147::root:: _get_hypervisors_from_api: legacy is not a valid RngSource

2016-09-02 07:26:52::INFO::__main__::1424::root:: Gathering oVirt Engine information...

2016-09-02 07:27:03::INFO::__main__::1398::root:: Gathering PostgreSQL the oVirt Engine database and log files from localhost...

2016-09-02 07:27:05::INFO::__main__::1859::root:: No hypervisors were selected, therefore no hypervisor data will be collected.

2016-09-02 07:27:08::INFO::__main__::1862::root:: Log files have been collected and placed in /tmp/sosreport-LogCollector-20160902072705.tar.xz.

I am not familiar with this error - first time I've seen it, while running on Master, on Lago (with a patch I'm working on - that adds DNS and IPv6 support to Lago, nothing more - doesn't seem relevant).

Any idea?

Y.