== sanity test 421d: rmfid en masse ====================== 15:06:02 (1788807962)
 - open/close 914 (time 1788807975.42 total 10.01 last 91.30)
 - open/close 1855 (time 1788807985.43 total 20.02 last 94.03)
 - open/close 2770 (time 1788807995.44 total 30.03 last 91.42)
 - open/close 3661 (time 1788808005.44 total 40.03 last 89.06)
total: 4097 open/close in 45.18 seconds: 90.67 ops/second