== sanity test 421d: rmfid en masse ====================== 17:59:34 (1777586374)
 - open/close 754 (time 1777586387.20 total 10.00 last 75.37)
 - open/close 1329 (time 1777586397.21 total 20.01 last 57.44)
 - open/close 1945 (time 1777586407.21 total 30.02 last 61.57)
 - open/close 2757 (time 1777586417.21 total 40.02 last 81.20)
 - open/close 3571 (time 1777586427.22 total 50.03 last 81.31)
total: 4097 open/close in 55.91 seconds: 73.28 ops/second