Why does the "dht-common.c:8889:dht_log_new_layout_for_dir_selfheal" log messages appear repeatedly on `gluster.fuse` client logs?

Issue

• Why does the dht-common.c:8889:dht_log_new_layout_for_dir_selfheal log messages appear repeatedly on gluster.fuse client logs?

• Messages like below fill the client logs of a gluster mount

[2016-12-05 11:09:06.325105] I [MSGID: 109036] [dht-common.c:8889:dht_log_new_layout_for_dir_selfheal] 0-Volname-dht: Setting layout of /123456/2016120520 with [Subvol_name: Volname-disperse-0, Err: -1 , Start: 715827880 , Stop: 858993455 , Hash: 0 ], [Subvol_name: Volname-disperse-1, Err: -1 , Start: 858993456 , Stop: 1002159031 , Hash: 0 ], [Subvol_name: Volname-disperse-10, Err: -1 , Start: 1002159032 , Stop: 1145324607 , Hash: 0 ], [Subvol_name: Volname-disperse-11, Err: -1 , Start: 1145324608 , Stop: 1288490183 , Hash: 0 ], [Subvol_name: Volname-disperse-12, Err: -1 , Start: 1288490184 , Stop: 1431655759 , Hash: 0 ], [Subvol_name: Volname-disperse-13, Err: -1 , Start: 1431655760 , Stop: 1574821335 , Hash: 0 ], [Subvol_name: Volname-disperse-14, Err: -1 , Start: 1574821336 , Stop: 1717986911 , Hash: 0 ], [Subvol_name: Volname-disperse-15, Err: -1 , Start: 1717986912 , Stop: 1861152487 , Hash: 0 ], [Subvol_name: Volname-disperse-16, Err: -1 , Start: 1861152488 , Stop: 2004318063 , Hash: 0 ], [Subvol_name: Volname-disperse-17, Err: -1 , Start: 2004318064 , Stop: 2147483639 , Hash: 0 ], [Subvol_name: Volname-disperse-18, Err: -1 , Start: 2147483640 , Stop: 2290649215 , Hash: 0 ], [Subvol_name: Volname-disperse-19, Err: -1 , Start: 2290649216 , Stop: 2433814791 , Hash: 0 ], [Subvol_name: Volname-disperse-2, Err: -1 , Start: 2433814792 , Stop: 2576980367 , Hash: 0 ], [Subvol_name: Volname-disperse-20, Err: -1 , Start: 2576980368 , Stop: 2720145943 , Hash: 0 ], [Subvol_name: Volname-disperse-21, Err: -1 , Start: 2720145944 , Stop: 2863311519 , Hash: 0 ], [Subvol_name: Volname-disperse-22, Err: -1 , Start: 2863311520 , Stop: 3006477095 , Hash: 0 ], [Subvol_name: Volname-disperse-23, Err: -1 , Start: 3006477096 , Stop: 3149642671 , Hash: 0 ], [Subvol_name: Volname-disperse-24, Err: -1 , Start: 3149642672 , Stop: 3292808247 , Hash: 0 ], [Subvol_name: Volname-disperse-25, Err: -1 , Start: 3292808248 , Stop: 3435973823 , Hash: 0 ], [Subvol_name: Volname-disperse-26, Err: -1 , Start: 3435973824 , Stop: 3579139399 , Hash: 0 ], [Subvol_name: Volname-disperse-27, Err: -1 , Start: 3579139400 , Stop: 3722304975 , Hash: 0 ], [Subvol_name: Volname-disperse-28, Err: -1 , Start: 3722304976 , Stop: 3865470551 , Hash: 0 ], [Subvol_name: Volname-disperse-29, Err: -1 , Start: 3865470552 , Stop: 4008636127 , Hash: 0 ], [Subvol_name: Volname-disperse-3, Err: -1 , Start: 4008636128 , Stop: 4151801703 , Hash: 0 ], [Subvol_name: Volname-disperse-4, Err: -1 , Start: 4151801704 , Stop: 4294967295 , Hash: 0 ], [Subvol_name: Volname-disperse-5, Err: -1 , Start: 0 , Stop: 143165575 , Hash: 0 ], [Subvol_name: Volname-disperse-6, Err: -1 , Start: 143165576 , Stop: 286331151 , Hash: 0 ], [Subvol_name: Volname-disperse-7, Err: -1 , Start: 286331152 , Stop: 429496727 , Hash: 0 ], [Subvol_name: Volname-disperse-8, Err: -1 , Start: 429496728 , Stop: 572662303 , Hash: 0 ], [Subvol_name: Volname-disperse-9, Err: -1 , Start: 572662304 , Stop: 715827879 , Hash: 0 ],