== sanity test 421d: rmfid en masse ====================== 11:02:27 (1782486147)
 - open/close 827 (time 1782486160.31 total 10.01 last 82.60)
 - open/close 1644 (time 1782486170.31 total 20.01 last 81.68)
 - open/close 2552 (time 1782486180.32 total 30.03 last 90.67)
 - open/close 3464 (time 1782486190.33 total 40.03 last 91.17)
total: 4097 open/close in 46.92 seconds: 87.33 ops/second