== sanity test 421d: rmfid en masse ====================== 20:50:41 (1763344241)
 - open/close 917 (time 1763344255.12 total 10.01 last 91.64)
 - open/close 1760 (time 1763344265.13 total 20.01 last 84.24)
 - open/close 2595 (time 1763344275.13 total 30.02 last 83.45)
 - open/close 3425 (time 1763344285.14 total 40.03 last 82.92)
total: 4097 open/close in 48.51 seconds: 84.46 ops/second