== sanity test 421d: rmfid en masse ====================== 03:22:41 (1772180561)
 - open/close 873 (time 1772180575.30 total 10.00 last 87.26)
 - open/close 1822 (time 1772180585.30 total 20.01 last 94.82)
 - open/close 2860 (time 1772180595.31 total 30.02 last 103.76)
 - open/close 3935 (time 1772180605.33 total 40.04 last 107.31)
total: 4097 open/close in 41.48 seconds: 98.76 ops/second