== sanity test 421d: rmfid en masse ====================== 09:36:29 (1790948189)
 - open/close 732 (time 1790948203.79 total 10.01 last 73.16)
 - open/close 1482 (time 1790948213.81 total 20.02 last 74.88)
 - open/close 2224 (time 1790948223.81 total 30.02 last 74.18)
 - open/close 2994 (time 1790948233.81 total 40.03 last 76.95)
 - open/close 3781 (time 1790948243.83 total 50.04 last 78.61)
total: 4097 open/close in 53.86 seconds: 76.06 ops/second