Bluetooth disconnect on 16.04

Bluetooth disconnect randomly and is out of order since I restart the computer.
Stop and restart BT service doesn't change the issue.
This happen on Asus M70V computer.

sudo service bluetooth status
● bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
   Active: active (running) since sam. 2019-11-30 16:57:58 CET; 2s ago
     Docs: man:bluetoothd(8)
 Main PID: 21551 (bluetoothd)
   Status: "Running"
   CGroup: /system.slice/bluetooth.service
           └─21551 /usr/lib/bluetooth/bluetoothd

bluetoothd[21551]: Not enough free handles to register service
bluetoothd[21551]: Not enough free handles to register service
bluetoothd[21551]: Current Time Service could not be registered
bluetoothd[21551]: gatt-time-server: Input/output error (5)
bluetoothd[21551]: Not enough free handles to register service
bluetoothd[21551]: Not enough free handles to register service
bluetoothd[21551]: Sap driver initialization failed.
bluetoothd[21551]: sap-server: Operation not permitted (1)
bluetoothd[21551]: Endpoint registered: sender=:1.153 path=/MediaEndpoint/A2DPSource
nov. 30 16:57:58 happy-buntu bluetoothd[21551]: Endpoint registered: sender=:1.153 path=/MediaEndpoint/A2DPSink

Thanks for help

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: bluez 5.37-0ubuntu5.1
ProcVersionSignature: Ubuntu 4.4.0-169.198-generic 4.4.197
Uname: Linux 4.4.0-169-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.21
Architecture: amd64
CurrentDesktop: GNOME
Date: Sat Nov 30 17:00:50 2019
InstallationDate: Installed on 2018-04-16 (593 days ago)
InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
InterestingModules: rfcomm bnep btusb bluetooth
MachineType: ASUSTeK Computer Inc. M70Vn
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-169-generic root=UUID=d3601bac-5eb3-4f24-a402-9211b2c74282 ro quiet splash vt.handoff=7
SourcePackage: bluez
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/21/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 206
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: M70Vn
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr206:bd12/21/2009:svnASUSTeKComputerInc.:pnM70Vn:pvr1.0:rvnASUSTeKComputerInc.:rnM70Vn:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: M70Vn
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
hciconfig:
 hci0: Type: BR/EDR Bus: USB
  BD Address: 00:22:43:C5:84:05 ACL MTU: 1021:8 SCO MTU: 64:1
  UP RUNNING PSCAN ISCAN INQUIRY
  RX bytes:5002654 acl:731390 sco:0 events:294427 errors:0
  TX bytes:507962830 acl:587355 sco:0 commands:258 errors:0