== sanity test 421d: rmfid en masse ====================== 10:02:57 (1785420177)
 - open/close 767 (time 1785420192.44 total 10.02 last 76.58)
 - open/close 1396 (time 1785420202.45 total 20.02 last 62.85)
 - open/close 2039 (time 1785420212.45 total 30.03 last 64.28)
 - open/close 2664 (time 1785420222.46 total 40.03 last 62.47)
 - open/close 3349 (time 1785420232.47 total 50.05 last 68.38)
 - open/close 3955 (time 1785420242.47 total 60.05 last 60.59)
total: 4097 open/close in 62.48 seconds: 65.57 ops/second