== sanity test 421d: rmfid en masse ====================== 18:02:46 (1787868166)
 - open/close 784 (time 1787868180.83 total 10.01 last 78.35)
 - open/close 1752 (time 1787868190.83 total 20.01 last 96.78)
 - open/close 2570 (time 1787868200.84 total 30.02 last 81.73)
 - open/close 3233 (time 1787868210.85 total 40.03 last 66.22)
 - open/close 4095 (time 1787868220.86 total 50.04 last 86.12)
total: 4097 open/close in 50.05 seconds: 81.85 ops/second