== sanity test 421d: rmfid en masse ====================== 04:49:37 (1788943777)
 - open/close 765 (time 1788943792.47 total 10.03 last 76.25)
 - open/close 1592 (time 1788943802.47 total 20.04 last 82.66)
 - open/close 2478 (time 1788943812.47 total 30.04 last 88.60)
 - open/close 3253 (time 1788943822.48 total 40.04 last 77.46)
total: 4097 open/close in 49.84 seconds: 82.20 ops/second