== sanity test 421d: rmfid en masse ====================== 03:38:52 (1790926732)
 - open/close 699 (time 1790926746.37 total 10.00 last 69.88)
 - open/close 1520 (time 1790926756.38 total 20.01 last 82.03)
 - open/close 2200 (time 1790926766.38 total 30.01 last 67.97)
 - open/close 2888 (time 1790926776.39 total 40.03 last 68.72)
 - open/close 3565 (time 1790926786.39 total 50.03 last 67.69)
total: 4097 open/close in 55.99 seconds: 73.17 ops/second