== sanity test 421d: rmfid en masse ====================== 17:19:32 (1787606372)
 - open/close 707 (time 1787606387.05 total 10.01 last 70.65)
 - open/close 1567 (time 1787606397.06 total 20.01 last 85.94)
 - open/close 2670 (time 1787606407.07 total 30.02 last 110.23)
 - open/close 3628 (time 1787606417.07 total 40.02 last 95.76)
total: 4097 open/close in 45.98 seconds: 89.10 ops/second