== sanity test 421d: rmfid en masse ====================== 16:31:55 (1761251515)
 - open/close 792 (time 1761251529.51 total 10.01 last 79.15)
 - open/close 1570 (time 1761251539.52 total 20.02 last 77.72)
 - open/close 2304 (time 1761251549.53 total 30.02 last 73.35)
 - open/close 3130 (time 1761251559.54 total 40.03 last 82.53)
 - open/close 3902 (time 1761251569.54 total 50.03 last 77.19)
total: 4097 open/close in 52.55 seconds: 77.97 ops/second