== sanity test 421d: rmfid en masse ====================== 20:30:54 (1788568254)
 - open/close 926 (time 1788568268.74 total 10.01 last 92.53)
 - open/close 1581 (time 1788568278.75 total 20.02 last 65.45)
 - open/close 2389 (time 1788568288.76 total 30.02 last 80.77)
 - open/close 3274 (time 1788568298.76 total 40.02 last 88.46)
total: 4097 open/close in 49.32 seconds: 83.07 ops/second