== sanity test 421d: rmfid en masse ====================== 12:33:39 (1787848419)
 - open/close 724 (time 1787848434.60 total 10.01 last 72.33)
 - open/close 1541 (time 1787848444.61 total 20.02 last 81.65)
 - open/close 2381 (time 1787848454.62 total 30.02 last 83.94)
 - open/close 3165 (time 1787848464.62 total 40.02 last 78.40)
 - open/close 3852 (time 1787848474.62 total 50.02 last 68.69)
total: 4097 open/close in 53.95 seconds: 75.94 ops/second