== sanity test 421d: rmfid en masse ====================== 05:58:02 (1787392682)
 - open/close 859 (time 1787392697.31 total 10.00 last 85.90)
 - open/close 1657 (time 1787392707.32 total 20.01 last 79.74)
 - open/close 2478 (time 1787392717.32 total 30.01 last 82.06)
 - open/close 3434 (time 1787392727.33 total 40.02 last 95.53)
total: 4097 open/close in 48.30 seconds: 84.83 ops/second