== sanity test 421d: rmfid en masse ====================== 21:48:12 (1789609692)
 - open/close 697 (time 1789609706.79 total 10.01 last 69.62)
 - open/close 1572 (time 1789609716.80 total 20.02 last 87.43)
 - open/close 2536 (time 1789609726.80 total 30.02 last 96.36)
 - open/close 3501 (time 1789609736.80 total 40.03 last 96.47)
total: 4097 open/close in 46.50 seconds: 88.11 ops/second