== sanity test 421d: rmfid en masse ====================== 01:48:00 (1781243280)
 - open/close 818 (time 1781243293.43 total 10.01 last 81.70)
 - open/close 1711 (time 1781243303.45 total 20.02 last 89.19)
 - open/close 2543 (time 1781243313.45 total 30.02 last 83.20)
 - open/close 3290 (time 1781243323.45 total 40.03 last 74.67)
total: 4097 open/close in 49.21 seconds: 83.26 ops/second