== sanity test 421d: rmfid en masse ====================== 17:48:30 (1787867310)
 - open/close 854 (time 1787867323.78 total 10.00 last 85.36)
 - open/close 1775 (time 1787867333.80 total 20.02 last 91.99)
 - open/close 2518 (time 1787867343.80 total 30.02 last 74.29)
 - open/close 3306 (time 1787867353.80 total 40.02 last 78.75)
total: 4097 open/close in 49.58 seconds: 82.63 ops/second