== sanity test 421d: rmfid en masse ====================== 18:56:40 (1746140200)
 - open/close 1128 (time 1746140213.55 total 10.00 last 112.79)
 - open/close 2319 (time 1746140223.56 total 20.01 last 119.04)
 - open/close 3556 (time 1746140233.57 total 30.01 last 123.61)
total: 4097 open/close in 34.51 seconds: 118.72 ops/second