== sanity test 421d: rmfid en masse ====================== 21:07:56 (1788743276)
 - open/close 1018 (time 1788743290.66 total 10.00 last 101.79)
 - open/close 1950 (time 1788743300.67 total 20.01 last 93.11)
 - open/close 2860 (time 1788743310.68 total 30.02 last 90.89)
 - open/close 3648 (time 1788743320.69 total 40.03 last 78.72)
total: 4097 open/close in 45.66 seconds: 89.74 ops/second