== sanity test 421d: rmfid en masse ====================== 22:06:01 (1786413961)
 - open/close 829 (time 1786413976.50 total 10.00 last 82.88)
 - open/close 1793 (time 1786413986.51 total 20.01 last 96.34)
 - open/close 2682 (time 1786413996.51 total 30.02 last 88.84)
 - open/close 3424 (time 1786414006.53 total 40.03 last 74.10)
total: 4097 open/close in 47.00 seconds: 87.18 ops/second