== sanity test 421d: rmfid en masse ====================== 08:13:21 (1787832801)
 - open/close 746 (time 1787832816.44 total 10.02 last 74.48)
 - open/close 1527 (time 1787832826.45 total 20.03 last 77.99)
 - open/close 2133 (time 1787832836.46 total 30.04 last 60.54)
 - open/close 2910 (time 1787832846.47 total 40.05 last 77.63)
 - open/close 3759 (time 1787832856.48 total 50.06 last 84.82)
total: 4097 open/close in 54.83 seconds: 74.72 ops/second