== sanity test 421d: rmfid en masse ====================== 23:44:32 (1746157472)
 - open/close 1139 (time 1746157484.89 total 10.00 last 113.89)
 - open/close 2193 (time 1746157494.89 total 20.00 last 105.37)
 - open/close 3274 (time 1746157504.90 total 30.01 last 108.03)
total: 4097 open/close in 38.15 seconds: 107.39 ops/second