== sanity test 421d: rmfid en masse ====================== 01:34:06 (1788672846)
 - open/close 760 (time 1788672861.04 total 10.00 last 76.00)
 - open/close 1685 (time 1788672871.05 total 20.01 last 92.40)
 - open/close 2562 (time 1788672881.07 total 30.02 last 87.58)
 - open/close 3430 (time 1788672891.08 total 40.03 last 86.71)
total: 4097 open/close in 47.45 seconds: 86.35 ops/second