== sanity test 421d: rmfid en masse ====================== 12:50:13 (1790959813)
 - open/close 1167 (time 1790959826.24 total 10.00 last 116.69)
 - open/close 2397 (time 1790959836.25 total 20.01 last 122.89)
 - open/close 3497 (time 1790959846.25 total 30.01 last 109.97)
total: 4097 open/close in 35.46 seconds: 115.54 ops/second