== sanity test 421d: rmfid en masse ====================== 19:43:53 (1786751033)
 - open/close 830 (time 1786751047.40 total 10.01 last 82.92)
 - open/close 1586 (time 1786751057.42 total 20.03 last 75.47)
 - open/close 2450 (time 1786751067.43 total 30.04 last 86.33)
 - open/close 3243 (time 1786751077.44 total 40.04 last 79.25)
total: 4097 open/close in 49.83 seconds: 82.23 ops/second