== sanity test 421d: rmfid en masse ====================== 04:07:41 (1787126861)
 - open/close 760 (time 1787126875.88 total 10.01 last 75.91)
 - open/close 1419 (time 1787126885.89 total 20.02 last 65.83)
 - open/close 2151 (time 1787126895.89 total 30.02 last 73.19)
 - open/close 2770 (time 1787126905.89 total 40.03 last 61.86)
 - open/close 3488 (time 1787126915.90 total 50.04 last 71.73)
total: 4097 open/close in 59.01 seconds: 69.43 ops/second