== sanity test 421d: rmfid en masse ====================== 14:53:03 (1780339983)
 - open/close 777 (time 1780339998.49 total 10.00 last 77.70)
 - open/close 1481 (time 1780340008.50 total 20.01 last 70.33)
 - open/close 2275 (time 1780340018.50 total 30.01 last 79.38)
 - open/close 3042 (time 1780340028.51 total 40.02 last 76.67)
 - open/close 3794 (time 1780340038.52 total 50.03 last 75.12)
total: 4097 open/close in 54.03 seconds: 75.83 ops/second