== sanity test 421d: rmfid en masse ====================== 03:17:05 (1761290225)
 - open/close 1268 (time 1761290237.97 total 10.01 last 126.72)
 - open/close 2362 (time 1761290247.97 total 20.01 last 109.39)
 - open/close 3707 (time 1761290257.97 total 30.01 last 134.41)
total: 4097 open/close in 33.25 seconds: 123.21 ops/second