== sanity test 421d: rmfid en masse ====================== 15:23:33 (1783970613)
 - open/close 784 (time 1783970627.93 total 10.01 last 78.35)
 - open/close 1645 (time 1783970637.94 total 20.01 last 86.06)
 - open/close 2432 (time 1783970647.95 total 30.03 last 78.58)
 - open/close 3206 (time 1783970657.96 total 40.03 last 77.37)
 - open/close 3933 (time 1783970667.97 total 50.05 last 72.59)
total: 4097 open/close in 51.98 seconds: 78.82 ops/second