== sanity test 421d: rmfid en masse ====================== 09:01:42 (1789304502)
 - open/close 804 (time 1789304516.65 total 10.01 last 80.35)
 - open/close 1552 (time 1789304526.66 total 20.01 last 74.74)
 - open/close 2391 (time 1789304536.67 total 30.02 last 83.84)
 - open/close 3284 (time 1789304546.67 total 40.03 last 89.26)
total: 4097 open/close in 48.94 seconds: 83.72 ops/second