== sanity test 421d: rmfid en masse ====================== 19:08:42 (1781219322)
 - open/close 832 (time 1781219336.95 total 10.00 last 83.19)
 - open/close 1704 (time 1781219346.96 total 20.01 last 87.15)
 - open/close 2472 (time 1781219356.96 total 30.01 last 76.76)
 - open/close 3266 (time 1781219366.97 total 40.02 last 79.33)
 - open/close 4046 (time 1781219376.98 total 50.03 last 77.94)
total: 4097 open/close in 50.59 seconds: 80.99 ops/second