== sanity test 421d: rmfid en masse ====================== 05:11:58 (1761124318)
 - open/close 672 (time 1761124333.05 total 10.02 last 67.08)
 - open/close 1395 (time 1761124343.06 total 20.02 last 72.27)
 - open/close 2088 (time 1761124353.07 total 30.03 last 69.25)
 - open/close 2810 (time 1761124363.07 total 40.03 last 72.17)
 - open/close 3517 (time 1761124373.07 total 50.03 last 70.69)
total: 4097 open/close in 57.73 seconds: 70.97 ops/second