== sanity test 421d: rmfid en masse ====================== 23:45:37 (1763354737)
 - open/close 2022 (time 1763354748.92 total 10.00 last 202.14)
 - open/close 3884 (time 1763354758.92 total 20.00 last 186.18)
total: 4097 open/close in 21.01 seconds: 194.97 ops/second