== sanity test 421d: rmfid en masse ====================== 02:30:40 (1739518240)
 - open/close 1685 (time 1739518252.16 total 10.00 last 168.49)
 - open/close 3383 (time 1739518262.17 total 20.00 last 169.74)
total: 4097 open/close in 24.12 seconds: 169.89 ops/second