== sanity test 421d: rmfid en masse ====================== 09:46:24 (1761313584)
 - open/close 741 (time 1761313598.97 total 10.01 last 74.06)
 - open/close 1580 (time 1761313608.98 total 20.02 last 83.79)
 - open/close 2347 (time 1761313618.99 total 30.03 last 76.59)
 - open/close 3174 (time 1761313629.00 total 40.04 last 82.64)
 - open/close 3863 (time 1761313639.01 total 50.05 last 68.85)
total: 4097 open/close in 54.69 seconds: 74.91 ops/second