== sanity test 421d: rmfid en masse ====================== 02:20:27 (1788934827)
 - open/close 864 (time 1788934841.25 total 10.00 last 86.37)
 - open/close 1726 (time 1788934851.26 total 20.01 last 86.13)
 - open/close 2597 (time 1788934861.27 total 30.02 last 87.00)
 - open/close 3304 (time 1788934871.27 total 40.02 last 70.70)
total: 4097 open/close in 49.15 seconds: 83.36 ops/second