== sanity test 421d: rmfid en masse ====================== 09:49:50 (1786110590)
 - open/close 894 (time 1786110603.45 total 10.00 last 89.39)
 - open/close 1831 (time 1786110613.46 total 20.01 last 93.63)
 - open/close 2760 (time 1786110623.46 total 30.01 last 92.87)
 - open/close 3783 (time 1786110633.46 total 40.02 last 102.26)
total: 4097 open/close in 43.29 seconds: 94.64 ops/second