== sanity test 421d: rmfid en masse ====================== 19:16:55 (1763338615)
 - open/close 794 (time 1763338629.51 total 10.00 last 79.39)
 - open/close 1573 (time 1763338639.51 total 20.00 last 77.89)
 - open/close 2394 (time 1763338649.52 total 30.01 last 82.06)
 - open/close 3269 (time 1763338659.52 total 40.01 last 87.49)
 - open/close 4074 (time 1763338669.53 total 50.02 last 80.41)
total: 4097 open/close in 50.37 seconds: 81.34 ops/second