== sanity test 421d: rmfid en masse ====================== 03:20:16 (1787556016)
 - open/close 762 (time 1787556030.89 total 10.00 last 76.18)
 - open/close 1583 (time 1787556040.89 total 20.01 last 82.03)
 - open/close 2498 (time 1787556050.90 total 30.02 last 91.44)
 - open/close 3436 (time 1787556060.90 total 40.02 last 93.77)
total: 4097 open/close in 47.59 seconds: 86.10 ops/second