== sanity test 421d: rmfid en masse ====================== 14:34:59 (1780338899)
 - open/close 789 (time 1780338913.29 total 10.02 last 78.78)
 - open/close 1653 (time 1780338923.30 total 20.02 last 86.36)
 - open/close 2413 (time 1780338933.30 total 30.03 last 75.92)
 - open/close 3272 (time 1780338943.31 total 40.04 last 85.84)
 - open/close 4015 (time 1780338953.32 total 50.04 last 74.27)
total: 4097 open/close in 51.13 seconds: 80.12 ops/second