== sanity test 421d: rmfid en masse ====================== 10:50:54 (1789138254)
 - open/close 796 (time 1789138268.78 total 10.00 last 79.58)
 - open/close 1633 (time 1789138278.78 total 20.00 last 83.68)
 - open/close 2265 (time 1789138288.79 total 30.01 last 63.19)
 - open/close 3011 (time 1789138298.80 total 40.02 last 74.53)
 - open/close 3837 (time 1789138308.80 total 50.02 last 82.54)
total: 4097 open/close in 53.23 seconds: 76.96 ops/second