DF-3253: racing 8 threads x 120 stats (even->/tmp/hpfsmp/A/ZFILE, odd->/tmp/hpfsmp/B/WFILE)
DF-3253 SUMMARY: wins=0 einval=960 ebadf(poisoned handoffs seen by stat)=0 enoent=0 other=0
DF-3253 VERDICT: no win this run (all lookups correctly failed EINVAL)