== sanity test 421d: rmfid en masse ====================== 05:48:46 (1773740926)
 - open/close 707 (time 1773740942.87 total 10.01 last 70.63)
 - open/close 1558 (time 1773740952.87 total 20.01 last 85.09)
 - open/close 2448 (time 1773740962.88 total 30.02 last 88.92)
 - open/close 3291 (time 1773740972.88 total 40.03 last 84.25)
 - open/close 4080 (time 1773740982.89 total 50.03 last 78.86)
total: 4097 open/close in 50.30 seconds: 81.45 ops/second