== sanity test 421d: rmfid en masse ====================== 13:31:40 (1789061500)
 - open/close 834 (time 1789061514.63 total 10.01 last 83.33)
 - open/close 1763 (time 1789061524.63 total 20.01 last 92.87)
 - open/close 2626 (time 1789061534.64 total 30.02 last 86.24)
 - open/close 3412 (time 1789061544.65 total 40.03 last 78.53)
total: 4097 open/close in 46.95 seconds: 87.26 ops/second