sysfs duplicate filename acl001B63FD06F8 can not be created WARNING at

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sysfs: duplicate filename 'acl001B63FD06F8' can not be created
WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
Pid: 10, comm: events/1 Not tainted 2.6.24-ovz4 #1
[<c01b155c>] sysfs_add_one+0x54/0xb8
[<c01b19b7>] create_dir+0x3c/0x6c
[<c01b1b39>] sysfs_create_dir+0x47/0x5a
[<c01ce236>] kobject_get+0xf/0x13
[<c01ce64a>] kobject_add+0xe7/0x18e
[<c01ce550>] kobject_set_name+0x81/0x94
[<c022d275>] device_add+0x8b/0x51c
[<f8a9f71b>] add_conn+0x0/0x5b [bluetooth]
[<f8a9f72c>] add_conn+0x11/0x5b [bluetooth]
[<c0132dac>] run_workqueue+0x74/0xf9
[<c0133602>] worker_thread+0x0/0xca
[<c01336be>] worker_thread+0xbc/0xca
[<c0136765>] autoremove_wake_function+0x0/0x33
[<c0133602>] worker_thread+0x0/0xca
[<c013669d>] kthread+0x38/0x5f
[<c0136665>] kthread+0x0/0x5f
[<c0104ae3>] kernel_thread_helper+0x7/0x10
=======================
kobject_add failed for acl001B63FD06F8 with -EEXIST, don't try to register things with the same name in the same directory.
Pid: 10, comm: events/1 Not tainted 2.6.24-ovz4 #1
[<c01ce6bf>] kobject_add+0x15c/0x18e
[<c01ce550>] kobject_set_name+0x81/0x94
[<c022d275>] device_add+0x8b/0x51c
[<f8a9f71b>] add_conn+0x0/0x5b [bluetooth]
[<f8a9f72c>] add_conn+0x11/0x5b [bluetooth]
[<c0132dac>] run_workqueue+0x74/0xf9
[<c0133602>] worker_thread+0x0/0xca
[<c01336be>] worker_thread+0xbc/0xca
[<c0136765>] autoremove_wake_function+0x0/0x33
[<c0133602>] worker_thread+0x0/0xca
[<c013669d>] kthread+0x38/0x5f
[<c0136665>] kthread+0x0/0x5f
[<c0104ae3>] kernel_thread_helper+0x7/0x10
=======================
add_conn: Failed to register connection device