== sanity test 421d: rmfid en masse ====================== 01:30:20 (1783143020)
 - open/close 822 (time 1783143033.40 total 10.00 last 82.19)
 - open/close 1627 (time 1783143043.41 total 20.01 last 80.42)
 - open/close 2476 (time 1783143053.41 total 30.02 last 84.86)
 - open/close 3398 (time 1783143063.43 total 40.03 last 92.09)
total: 4097 open/close in 48.79 seconds: 83.97 ops/second