== sanity test 421d: rmfid en masse ====================== 13:23:39 (1787851419)
 - open/close 768 (time 1787851434.12 total 10.01 last 76.72)
 - open/close 1547 (time 1787851444.12 total 20.01 last 77.90)
 - open/close 2319 (time 1787851454.12 total 30.01 last 77.18)
 - open/close 3108 (time 1787851464.14 total 40.03 last 78.75)
 - open/close 3888 (time 1787851474.15 total 50.04 last 77.94)
total: 4097 open/close in 52.34 seconds: 78.28 ops/second