== sanity test 421d: rmfid en masse ====================== 03:08:49 (1769760529)
 - open/close 1170 (time 1769760542.21 total 10.01 last 116.88)
 - open/close 2345 (time 1769760552.21 total 20.01 last 117.50)
 - open/close 3581 (time 1769760562.21 total 30.01 last 123.57)
total: 4097 open/close in 35.03 seconds: 116.97 ops/second