== sanity test 421d: rmfid en masse ====================== 19:20:42 (1763338842)
 - open/close 803 (time 1763338856.32 total 10.01 last 80.23)
 - open/close 1615 (time 1763338866.34 total 20.03 last 81.01)
 - open/close 2381 (time 1763338876.35 total 30.04 last 76.54)
 - open/close 3224 (time 1763338886.36 total 40.05 last 84.23)
 - open/close 4070 (time 1763338896.36 total 50.05 last 84.56)
total: 4097 open/close in 50.39 seconds: 81.30 ops/second