== sanity test 421d: rmfid en masse ====================== 00:36:31 (1780979791)
 - open/close 755 (time 1780979806.24 total 10.01 last 75.46)
 - open/close 1622 (time 1780979816.24 total 20.01 last 86.69)
 - open/close 2398 (time 1780979826.25 total 30.01 last 77.57)
 - open/close 3317 (time 1780979836.26 total 40.02 last 91.84)
total: 4097 open/close in 47.93 seconds: 85.48 ops/second