== sanity test 421d: rmfid en masse ====================== 02:53:31 (1761288811)
 - open/close 1483 (time 1761288823.28 total 10.00 last 148.30)
 - open/close 2883 (time 1761288833.28 total 20.00 last 139.95)
total: 4097 open/close in 28.54 seconds: 143.55 ops/second