== sanity test 421d: rmfid en masse ====================== 10:16:24 (1787321784)
 - open/close 973 (time 1787321799.34 total 10.01 last 97.23)
 - open/close 1893 (time 1787321809.34 total 20.01 last 91.99)
 - open/close 2763 (time 1787321819.37 total 30.03 last 86.81)
 - open/close 3649 (time 1787321829.37 total 40.04 last 88.53)
total: 4097 open/close in 45.30 seconds: 90.45 ops/second