== sanity test 421d: rmfid en masse ====================== 00:15:08 (1746159308)
 - open/close 1270 (time 1746159320.66 total 10.00 last 126.97)
 - open/close 2358 (time 1746159330.67 total 20.01 last 108.72)
 - open/close 3552 (time 1746159340.68 total 30.02 last 119.33)
total: 4097 open/close in 34.02 seconds: 120.42 ops/second