== sanity test 421d: rmfid en masse ====================== 17:53:21 (1788472401)
 - open/close 708 (time 1788472415.96 total 10.02 last 70.68)
 - open/close 1441 (time 1788472425.96 total 20.02 last 73.27)
 - open/close 2111 (time 1788472435.97 total 30.03 last 66.93)
 - open/close 2885 (time 1788472445.99 total 40.05 last 77.29)
 - open/close 3594 (time 1788472456.01 total 50.07 last 70.73)
total: 4097 open/close in 57.51 seconds: 71.24 ops/second