== sanity test 421d: rmfid en masse ====================== 23:49:06 (1790740146)
 - open/close 776 (time 1790740160.41 total 10.02 last 77.45)
 - open/close 1589 (time 1790740170.42 total 20.02 last 81.29)
 - open/close 2298 (time 1790740180.42 total 30.03 last 70.84)
 - open/close 3090 (time 1790740190.43 total 40.04 last 79.13)
 - open/close 3781 (time 1790740200.44 total 50.04 last 69.06)
total: 4097 open/close in 54.52 seconds: 75.15 ops/second