On Wed, Mar 15, 2017 at 9:42 AM, Gerald B. Cox <gbcox@bzb.us> wrote:
It's happened 4 times so far.  I've now setup for a backtrace so
when it happens again I can get some info.

Just happened again about 30 minutes after a reboot.  I got a backtrace and opened a bug:
https://bugzilla.redhat.com/show_bug.cgi?id=1432619