== sanity test 421d: rmfid en masse ====================== 11:44:38 (1780328678)
 - open/close 956 (time 1780328691.73 total 10.00 last 95.56)
 - open/close 1867 (time 1780328701.74 total 20.01 last 91.02)
 - open/close 2769 (time 1780328711.74 total 30.02 last 90.14)
 - open/close 3654 (time 1780328721.75 total 40.03 last 88.44)
total: 4097 open/close in 45.19 seconds: 90.66 ops/second