== sanity test 421d: rmfid en masse ====================== 02:07:14 (1788761234)
 - open/close 822 (time 1788761248.56 total 10.01 last 82.16)
 - open/close 1591 (time 1788761258.56 total 20.01 last 76.90)
 - open/close 2430 (time 1788761268.57 total 30.02 last 83.82)
 - open/close 3294 (time 1788761278.57 total 40.02 last 86.36)
total: 4097 open/close in 48.91 seconds: 83.77 ops/second