== sanity test 421d: rmfid en masse ====================== 08:23:58 (1787833438)
 - open/close 819 (time 1787833452.09 total 10.00 last 81.89)
 - open/close 1586 (time 1787833462.09 total 20.00 last 76.69)
 - open/close 2286 (time 1787833472.11 total 30.02 last 69.89)
 - open/close 3173 (time 1787833482.11 total 40.03 last 88.64)
 - open/close 4009 (time 1787833492.12 total 50.03 last 83.58)
total: 4097 open/close in 50.89 seconds: 80.51 ops/second