== sanity test 421d: rmfid en masse ====================== 19:42:43 (1773618163)
 - open/close 1069 (time 1773618176.35 total 10.00 last 106.87)
 - open/close 2320 (time 1773618186.35 total 20.01 last 125.07)
 - open/close 3493 (time 1773618196.36 total 30.01 last 117.29)
total: 4097 open/close in 35.65 seconds: 114.91 ops/second