== sanity test 421d: rmfid en masse ====================== 23:37:46 (1788752266)
 - open/close 804 (time 1788752280.13 total 10.01 last 80.35)
 - open/close 1695 (time 1788752290.14 total 20.02 last 89.01)
 - open/close 2539 (time 1788752300.15 total 30.03 last 84.28)
 - open/close 3406 (time 1788752310.17 total 40.05 last 86.56)
total: 4097 open/close in 48.46 seconds: 84.55 ops/second