== sanity test 421d: rmfid en masse ====================== 10:45:42 (1789483542)
 - open/close 1098 (time 1789483554.98 total 10.00 last 109.75)
 - open/close 2224 (time 1789483564.99 total 20.01 last 112.55)
 - open/close 3269 (time 1789483574.99 total 30.01 last 104.45)
total: 4097 open/close in 37.63 seconds: 108.88 ops/second