== sanity test 421d: rmfid en masse ====================== 08:12:21 (1786968741)
 - open/close 645 (time 1786968757.27 total 10.00 last 64.49)
 - open/close 1258 (time 1786968767.28 total 20.01 last 61.25)
 - open/close 2002 (time 1786968777.28 total 30.01 last 74.38)
 - open/close 2819 (time 1786968787.29 total 40.02 last 81.61)
 - open/close 3610 (time 1786968797.30 total 50.03 last 79.04)
total: 4097 open/close in 55.83 seconds: 73.39 ops/second