== sanity test 421d: rmfid en masse ====================== 18:08:08 (1778623688)
 - open/close 600 (time 1778623704.27 total 10.00 last 59.99)
 - open/close 1255 (time 1778623714.28 total 20.01 last 65.46)
 - open/close 1891 (time 1778623724.29 total 30.02 last 63.54)
 - open/close 2604 (time 1778623734.30 total 40.03 last 71.22)
 - open/close 3281 (time 1778623744.31 total 50.04 last 67.61)
 - open/close 3869 (time 1778623754.31 total 60.04 last 58.79)
total: 4097 open/close in 63.53 seconds: 64.49 ops/second