蓝牙使用bluez报错

[是多尼不是托尼啊]

使用bluez 5.3版本进行蓝牙耳机设备的连接的时候，出现连接失败的报错，什么原因啊
[bluetooth]# pair 00:15:BE:0F:0C:E6
Attempting to pair with 00:15:BE:0F:0C:E6
[CHG] Device 00:15:BE:0F:0C:E6 Connected: yes
[CHG] Device 00:15:BE:0F:0C:E6 UUIDs: 00001101-0000-1000-8000-00805f9b34fb
[CHG] Device 00:15:BE:0F:0C:E6 UUIDs: 00001108-0000-1000-8000-00805f9b34fb
[CHG] Device 00:15:BE:0F:0C:E6 UUIDs: 0000111e-0000-1000-8000-00805f9b34fb
[CHG] Device 00:15:BE:0F:0C:E6 Paired: yes
Pairing successful
[CHG] Device 00:15:BE:0F:0C:E6 Connected: no
[bluetooth]# connect 00:15:BE:0F:0C:E6
Attempting to connect to 00:15:BE:0F:0C:E6
[CHG] Device 00:15:BE:0F:0C:E6 Connected: yes
Failed to connect: org.bluez.Error.NotAvailable
[CHG] Device 00:15:BE:0F:0C:E6 Connected: no
[bluetooth]# info 00:15:BE:0F:0C:E6
Device 00:15:BE:0F:0C:E6
Name: Savox BTH-101
Alias: Savox BTH-101
Class: 0x200404
Icon: audio-card
Paired: yes
Trusted: yes
Blocked: no
Connected: no
LegacyPairing: no
UUID: Serial Port (00001101-0000-1000-8000-00805f9b34fb)
UUID: Headset (00001108-0000-1000-8000-00805f9b34fb)
UUID: Handsfree (0000111e-0000-1000-8000-00805f9b34fb)

[jifengzhiling]

同问，连接时报错