== sanity test 230l: readdir between MDTs won't crash ==== 02:03:36 (1775196216)
 - open/close 471 (time 1775196231.71 total 10.00 last 47.08)
 - open/close 932 (time 1775196241.73 total 20.02 last 46.01)
total: 1000 open/close in 21.73 seconds: 46.01 ops/second