== sanity test 421d: rmfid en masse ====================== 20:34:30 (1746146070)
 - open/close 1568 (time 1746146082.59 total 10.00 last 156.78)
 - open/close 3067 (time 1746146092.60 total 20.00 last 149.88)
total: 4097 open/close in 26.72 seconds: 153.32 ops/second