== sanity test 421d: rmfid en masse ====================== 22:00:43 (1767322843)
 - open/close 1006 (time 1767322857.60 total 10.00 last 100.55)
 - open/close 1998 (time 1767322867.60 total 20.01 last 99.19)
 - open/close 3171 (time 1767322877.61 total 30.01 last 117.24)
total: 4097 open/close in 38.33 seconds: 106.88 ops/second