== sanity test 421d: rmfid en masse ====================== 12:42:45 (1772473365)
 - open/close 801 (time 1772473380.23 total 10.00 last 80.08)
 - open/close 1592 (time 1772473390.23 total 20.01 last 79.07)
 - open/close 2372 (time 1772473400.23 total 30.01 last 77.98)
 - open/close 3178 (time 1772473410.25 total 40.03 last 80.47)
 - open/close 4031 (time 1772473420.26 total 50.03 last 85.24)
total: 4097 open/close in 50.92 seconds: 80.46 ops/second