== sanity test 421d: rmfid en masse ====================== 18:53:12 (1786834392)
 - open/close 836 (time 1786834405.55 total 10.00 last 83.58)
 - open/close 1785 (time 1786834415.55 total 20.00 last 94.90)
 - open/close 2678 (time 1786834425.56 total 30.01 last 89.24)
 - open/close 3590 (time 1786834435.57 total 40.02 last 91.10)
total: 4097 open/close in 45.76 seconds: 89.54 ops/second