== sanity test 421d: rmfid en masse ====================== 10:59:39 (1789138779)
 - open/close 611 (time 1789138795.32 total 10.02 last 60.98)
 - open/close 1262 (time 1789138805.33 total 20.03 last 65.05)
 - open/close 1882 (time 1789138815.34 total 30.04 last 61.92)
 - open/close 2562 (time 1789138825.34 total 40.04 last 67.98)
 - open/close 3274 (time 1789138835.35 total 50.05 last 71.14)
 - open/close 3913 (time 1789138845.36 total 60.06 last 63.85)
total: 4097 open/close in 62.76 seconds: 65.28 ops/second