== sanity test 421d: rmfid en masse ====================== 17:01:54 (1781211714)
 - open/close 1060 (time 1781211726.74 total 10.00 last 105.95)
 - open/close 2190 (time 1781211736.74 total 20.01 last 112.97)
 - open/close 3396 (time 1781211746.75 total 30.01 last 120.57)
total: 4097 open/close in 35.83 seconds: 114.34 ops/second