== sanity test 421d: rmfid en masse ====================== 06:31:02 (1768563062)
 - open/close 1161 (time 1768563075.05 total 10.00 last 116.07)
 - open/close 2267 (time 1768563085.05 total 20.01 last 110.55)
 - open/close 3533 (time 1768563095.06 total 30.01 last 126.56)
total: 4097 open/close in 34.94 seconds: 117.25 ops/second