== sanity test 421d: rmfid en masse ====================== 22:58:46 (1746154726)
 - open/close 881 (time 1746154739.79 total 10.01 last 87.99)
 - open/close 1789 (time 1746154749.80 total 20.02 last 90.73)
 - open/close 2759 (time 1746154759.80 total 30.02 last 97.00)
 - open/close 3602 (time 1746154769.80 total 40.02 last 84.29)
total: 4097 open/close in 45.34 seconds: 90.35 ops/second