== sanity test 421d: rmfid en masse ====================== 02:45:42 (1788936342)
 - open/close 801 (time 1788936356.94 total 10.01 last 80.05)
 - open/close 1620 (time 1788936366.94 total 20.01 last 81.89)
 - open/close 2469 (time 1788936376.95 total 30.02 last 84.83)
 - open/close 3287 (time 1788936386.96 total 40.02 last 81.74)
 - open/close 4079 (time 1788936396.96 total 50.03 last 79.18)
total: 4097 open/close in 50.21 seconds: 81.60 ops/second