== sanity test 421d: rmfid en masse ====================== 13:53:09 (1788630789)
 - open/close 838 (time 1788630805.12 total 10.01 last 83.75)
 - open/close 1721 (time 1788630815.12 total 20.01 last 88.25)
 - open/close 2518 (time 1788630825.14 total 30.02 last 79.61)
 - open/close 3199 (time 1788630835.15 total 40.04 last 68.00)
 - open/close 3993 (time 1788630845.16 total 50.04 last 79.36)
total: 4097 open/close in 51.43 seconds: 79.65 ops/second