== sanity test 421d: rmfid en masse ====================== 22:48:03 (1712026083)
 - open/close 1329 (time 1712026095.67 total 10.01 last 132.76)
 - open/close 2531 (time 1712026105.68 total 20.01 last 120.19)
 - open/close 3661 (time 1712026115.68 total 30.01 last 112.98)
total: 4097 open/close in 34.46 seconds: 118.89 ops/second