== sanity test 421d: rmfid en masse ====================== 21:24:05 (1781227445)
 - open/close 921 (time 1781227459.88 total 10.01 last 92.05)
 - open/close 1822 (time 1781227469.89 total 20.01 last 90.04)
 - open/close 2591 (time 1781227479.90 total 30.02 last 76.84)
 - open/close 3366 (time 1781227489.90 total 40.02 last 77.48)
total: 4097 open/close in 48.28 seconds: 84.86 ops/second