== sanity test 421d: rmfid en masse ====================== 18:01:16 (1775772076)
 - open/close 735 (time 1775772092.29 total 10.00 last 73.50)
 - open/close 1527 (time 1775772102.29 total 20.01 last 79.16)
 - open/close 2237 (time 1775772112.32 total 30.03 last 70.81)
 - open/close 2971 (time 1775772122.32 total 40.04 last 73.37)
 - open/close 3810 (time 1775772132.33 total 50.05 last 83.81)
total: 4097 open/close in 54.03 seconds: 75.83 ops/second