== sanity test 421d: rmfid en masse ====================== 16:33:59 (1786739639)
 - open/close 984 (time 1786739653.21 total 10.00 last 98.40)
 - open/close 1937 (time 1786739663.21 total 20.00 last 95.27)
 - open/close 2917 (time 1786739673.21 total 30.00 last 98.00)
 - open/close 3825 (time 1786739683.23 total 40.01 last 90.71)
total: 4097 open/close in 43.05 seconds: 95.17 ops/second