== sanity test 421d: rmfid en masse ====================== 14:45:20 (1787856320)
 - open/close 761 (time 1787856335.25 total 10.00 last 76.07)
 - open/close 1583 (time 1787856345.27 total 20.03 last 82.01)
 - open/close 2370 (time 1787856355.28 total 30.04 last 78.64)
 - open/close 3090 (time 1787856365.30 total 40.06 last 71.83)
 - open/close 3754 (time 1787856375.31 total 50.06 last 66.37)
total: 4097 open/close in 54.76 seconds: 74.81 ops/second