== sanity test 421d: rmfid en masse ====================== 20:35:48 (1763343348)
 - open/close 781 (time 1763343362.37 total 10.00 last 78.07)
 - open/close 1561 (time 1763343372.38 total 20.01 last 77.92)
 - open/close 2296 (time 1763343382.39 total 30.02 last 73.44)
 - open/close 3038 (time 1763343392.39 total 40.03 last 74.17)
 - open/close 3803 (time 1763343402.40 total 50.03 last 76.44)
total: 4097 open/close in 53.91 seconds: 76.00 ops/second