== sanity test 421d: rmfid en masse ====================== 21:33:37 (1784943217)
 - open/close 948 (time 1784943231.04 total 10.01 last 94.67)
 - open/close 1837 (time 1784943241.05 total 20.03 last 88.79)
 - open/close 2766 (time 1784943251.06 total 30.03 last 92.84)
 - open/close 3682 (time 1784943261.07 total 40.04 last 91.51)
total: 4097 open/close in 44.34 seconds: 92.40 ops/second