== sanity test 421d: rmfid en masse ====================== 21:49:24 (1767322164)
 - open/close 892 (time 1767322178.61 total 10.00 last 89.19)
 - open/close 1865 (time 1767322188.62 total 20.01 last 97.22)
 - open/close 2741 (time 1767322198.62 total 30.01 last 87.57)
 - open/close 3658 (time 1767322208.63 total 40.02 last 91.64)
total: 4097 open/close in 44.71 seconds: 91.63 ops/second