== sanity test 421d: rmfid en masse ====================== 10:12:14 (1787580734)
 - open/close 803 (time 1787580749.33 total 10.01 last 80.21)
 - open/close 1663 (time 1787580759.34 total 20.02 last 85.95)
 - open/close 2498 (time 1787580769.36 total 30.04 last 83.30)
 - open/close 3351 (time 1787580779.37 total 40.05 last 85.18)
total: 4097 open/close in 47.34 seconds: 86.54 ops/second