== sanity test 421d: rmfid en masse ====================== 09:49:53 (1761313793)
 - open/close 914 (time 1761313806.26 total 10.01 last 91.33)
 - open/close 1668 (time 1761313816.27 total 20.02 last 75.31)
 - open/close 2447 (time 1761313826.28 total 30.02 last 77.86)
 - open/close 3329 (time 1761313836.28 total 40.03 last 88.17)
total: 4097 open/close in 48.07 seconds: 85.22 ops/second