== sanity test 421d: rmfid en masse ====================== 21:40:25 (1787103625)
 - open/close 1934 (time 1787103637.10 total 10.00 last 193.38)
 - open/close 3827 (time 1787103647.10 total 20.00 last 189.27)
total: 4097 open/close in 21.36 seconds: 191.80 ops/second