== sanity test 421d: rmfid en masse ====================== 18:16:37 (1779315397)
 - open/close 896 (time 1779315411.25 total 10.00 last 89.57)
 - open/close 1812 (time 1779315421.25 total 20.01 last 91.52)
 - open/close 2732 (time 1779315431.26 total 30.02 last 91.92)
 - open/close 3544 (time 1779315441.26 total 40.02 last 81.19)
total: 4097 open/close in 46.28 seconds: 88.54 ops/second