== sanity test 421d: rmfid en masse ====================== 20:41:02 (1772761262)
 - open/close 1648 (time 1772761274.22 total 10.00 last 164.75)
 - open/close 3143 (time 1772761284.23 total 20.01 last 149.41)
total: 4097 open/close in 26.25 seconds: 156.09 ops/second