== sanity test 421d: rmfid en masse ====================== 15:06:13 (1787857573)
 - open/close 727 (time 1787857588.22 total 10.00 last 72.69)
 - open/close 1512 (time 1787857598.23 total 20.00 last 78.49)
 - open/close 2237 (time 1787857608.24 total 30.02 last 72.40)
 - open/close 2943 (time 1787857618.24 total 40.02 last 70.58)
 - open/close 3663 (time 1787857628.25 total 50.03 last 71.94)
total: 4097 open/close in 56.02 seconds: 73.13 ops/second