== sanity test 421d: rmfid en masse ====================== 00:08:16 (1788840496)
 - open/close 820 (time 1788840511.39 total 10.02 last 81.87)
 - open/close 1582 (time 1788840521.39 total 20.02 last 76.17)
 - open/close 2432 (time 1788840531.39 total 30.02 last 84.98)
 - open/close 3140 (time 1788840541.40 total 40.03 last 70.76)
 - open/close 3803 (time 1788840551.40 total 50.03 last 66.30)
total: 4097 open/close in 54.10 seconds: 75.73 ops/second