== sanity test 421d: rmfid en masse ====================== 14:18:58 (1784053138)
 - open/close 656 (time 1784053154.58 total 10.00 last 65.58)
 - open/close 1411 (time 1784053164.59 total 20.01 last 75.44)
 - open/close 2279 (time 1784053174.61 total 30.03 last 86.62)
 - open/close 3070 (time 1784053184.61 total 40.04 last 79.06)
 - open/close 3892 (time 1784053194.62 total 50.05 last 82.14)
total: 4097 open/close in 52.66 seconds: 77.81 ops/second