== sanity test 421d: rmfid en masse ====================== 03:26:39 (1775201199)
 - open/close 735 (time 1775201213.87 total 10.02 last 73.35)
 - open/close 1543 (time 1775201223.88 total 20.03 last 80.70)
 - open/close 2283 (time 1775201233.89 total 30.04 last 73.95)
 - open/close 3086 (time 1775201243.90 total 40.05 last 80.19)
 - open/close 3874 (time 1775201253.90 total 50.05 last 78.79)
total: 4097 open/close in 53.41 seconds: 76.72 ops/second