== sanity test 421d: rmfid en masse ====================== 10:42:40 (1790779360)
 - open/close 930 (time 1790779375.01 total 10.00 last 92.98)
 - open/close 1891 (time 1790779385.02 total 20.01 last 96.02)
 - open/close 2717 (time 1790779395.03 total 30.02 last 82.54)
 - open/close 3426 (time 1790779405.03 total 40.02 last 70.86)
total: 4097 open/close in 49.89 seconds: 82.11 ops/second