== sanity test 421d: rmfid en masse ====================== 18:56:51 (1780527411)
 - open/close 1975 (time 1780527423.49 total 10.00 last 197.47)
 - open/close 3583 (time 1780527433.49 total 20.00 last 160.78)
total: 4097 open/close in 22.34 seconds: 183.43 ops/second