== sanity test 421d: rmfid en masse ====================== 00:43:01 (1789188181)
 - open/close 1627 (time 1789188193.96 total 10.01 last 162.56)
 - open/close 3052 (time 1789188203.96 total 20.01 last 142.41)
total: 4097 open/close in 27.17 seconds: 150.78 ops/second