== sanity test 421d: rmfid en masse ====================== 09:03:57 (1785762237)
 - open/close 791 (time 1785762252.42 total 10.01 last 79.05)
 - open/close 1771 (time 1785762262.42 total 20.01 last 97.94)
 - open/close 2583 (time 1785762272.43 total 30.01 last 81.18)
 - open/close 3460 (time 1785762282.43 total 40.02 last 87.63)
total: 4097 open/close in 47.19 seconds: 86.82 ops/second