== sanity test 421d: rmfid en masse ====================== 13:16:42 (1786468602)
 - open/close 1804 (time 1786468614.24 total 10.01 last 180.19)
 - open/close 3614 (time 1786468624.24 total 20.02 last 180.91)
total: 4097 open/close in 23.20 seconds: 176.62 ops/second