== sanity test 421d: rmfid en masse ====================== 14:13:51 (1777054431)
 - open/close 1413 (time 1777054444.40 total 10.00 last 141.30)
 - open/close 3005 (time 1777054454.41 total 20.01 last 159.11)
total: 4097 open/close in 28.13 seconds: 145.62 ops/second