== sanity test 421d: rmfid en masse ====================== 10:42:52 (1790952172)
 - open/close 805 (time 1790952186.74 total 10.01 last 80.45)
 - open/close 1644 (time 1790952196.75 total 20.01 last 83.89)
 - open/close 2461 (time 1790952206.76 total 30.02 last 81.62)
 - open/close 3368 (time 1790952216.76 total 40.02 last 90.65)
total: 4097 open/close in 48.66 seconds: 84.20 ops/second