== sanity test 421d: rmfid en masse ====================== 16:37:59 (1789504679)
 - open/close 696 (time 1789504694.43 total 10.01 last 69.55)
 - open/close 1446 (time 1789504704.44 total 20.02 last 74.93)
 - open/close 2300 (time 1789504714.45 total 30.03 last 85.32)
 - open/close 3054 (time 1789504724.45 total 40.03 last 75.35)
 - open/close 3854 (time 1789504734.46 total 50.04 last 79.95)
total: 4097 open/close in 52.88 seconds: 77.48 ops/second