Comment 1 for bug 1519718

Issue happens for arale only when connecting the same BT mouse, but krillin and mako work as expected.

Here are some more info when connecting with Arale:

phablet@ubuntu-phablet:~$ hciconfig -a
hci0: Type: BR/EDR Bus: UART
 BD Address: 38:BC:1A:29:0E:89 ACL MTU: 1021:8 SCO MTU: 244:4
 UP RUNNING
 RX bytes:5238 acl:67 sco:0 events:163 errors:0
 TX bytes:4660 acl:39 sco:0 commands:91 errors:0
 Features: 0xbf 0x3e 0x8d 0xfe 0xdb 0xff 0x5b 0x87
 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
 Link policy: RSWITCH SNIFF
 Link mode: SLAVE ACCEPT
 Name: 'MX4 Ubuntu Edition'
 Class: 0x5c0110
 Service Classes: Rendering, Capturing, Object Transfer, Telephony
 Device Class: Computer, Handheld
 HCI Version: 4.0 (0x6) Revision: 0x0
 LMP Version: 4.0 (0x6) Subversion: 0x0
 Manufacturer: MediaTek, Inc. (70)

[bluetooth]# show
Controller 38:BC:1A:29:0E:89
 Name: MX4 Ubuntu Edition
 Alias: MX4 Ubuntu Edition
 Class: 0x5c0110
 Powered: yes
 Discoverable: no
 Pairable: yes
 UUIDs:
   Headset AG (00001112-0000-1000-8000-00805f9b34fb)
   Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
   A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
   SIM Access (0000112d-0000-1000-8000-00805f9b34fb)
   Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
   PnP Information (00001200-0000-1000-8000-00805f9b34fb)
   A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
   Audio Source (0000110a-0000-1000-8000-00805f9b34fb)
   Audio Sink (0000110b-0000-1000-8000-00805f9b34fb)
   Message Notification Se.. (00001133-0000-1000-8000-00805f9b34fb)
   Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb)
 Modalias: usb:v1D6Bp0246d0523
 Discovering: no
[bluetooth]# devices
Device 00:1F:20:EA:87:6A Bluetooth Mouse M336/M337/M535
[bluetooth]# info 00:1F:20:EA:87:6A
Device 00:1F:20:EA:87:6A
 Name: Bluetooth Mouse M336/M337/M535
 Alias: Bluetooth Mouse M336/M337/M535
 Class: 0x002580
 Icon: input-mouse
 Paired: yes
 Trusted: yes
 Blocked: no
 Connected: yes
 ConnectedProfiles:
   None
 LegacyPairing: yes
 UUIDs:
   Service Discovery Serve.. (00001000-0000-1000-8000-00805f9b34fb)
   Human Interface Device... (00001124-0000-1000-8000-00805f9b34fb)
   PnP Information (00001200-0000-1000-8000-00805f9b34fb)
 Modalias: usb:v046DpB014d1200