Reported to Fedora rawhide bugzilla.
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169696

top - 09:17:38 up  1:00,  5 users,  load average: 350152.19, 318442.47,
651266.8Tasks: 114 total,   1 running, 113 sleeping,   0 stopped,   0 zombie
Cpu(s): 19.6% us, 17.3% sy, 18.2% ni,  8.0% id,  7.1% wa, 11.9% hi, 17.9% si
Mem:   1024592k total,   992044k used,    32548k free,    52792k buffers
Swap:  2048236k total,        0k used,  2048236k free,   541640k cached

Actual results:
Load avgs bounce around all over the place: -667287.09, 493018.25, ...

Expected results:
Average in range 0 to +20 or so.  No -ve values.  Nothing above 100 or so.