== sanity test 421d: rmfid en masse ====================== 11:51:01 (1785945061)
 - open/close 741 (time 1785945078.52 total 10.01 last 74.04)
 - open/close 1630 (time 1785945088.53 total 20.02 last 88.80)
 - open/close 2208 (time 1785945098.54 total 30.03 last 57.74)
 - open/close 2697 (time 1785945108.55 total 40.04 last 48.85)
 - open/close 3368 (time 1785945118.56 total 50.05 last 67.03)
 - open/close 3864 (time 1785945128.58 total 60.07 last 49.49)
total: 4097 open/close in 64.15 seconds: 63.87 ops/second