== sanity test 421d: rmfid en masse ====================== 00:53:33 (1746161613)
 - open/close 1349 (time 1746161625.63 total 10.00 last 134.88)
 - open/close 2762 (time 1746161635.64 total 20.01 last 141.24)
 - open/close 4017 (time 1746161645.64 total 30.01 last 125.44)
total: 4097 open/close in 30.63 seconds: 133.78 ops/second