== sanity test 421d: rmfid en masse ====================== 16:55:00 (1784408100)
 - open/close 1908 (time 1784408112.38 total 10.01 last 190.59)
 - open/close 3558 (time 1784408122.38 total 20.01 last 164.98)
total: 4097 open/close in 22.54 seconds: 181.76 ops/second