== sanity test 421d: rmfid en masse ====================== 07:12:44 (1789989164)
 - open/close 794 (time 1789989178.34 total 10.00 last 79.39)
 - open/close 1589 (time 1789989188.34 total 20.00 last 79.50)
 - open/close 2496 (time 1789989198.34 total 30.00 last 90.69)
 - open/close 3479 (time 1789989208.34 total 40.01 last 98.26)
total: 4097 open/close in 47.89 seconds: 85.55 ops/second