Tested in a newer kernel, the problem still persists.
lsusb | grep -i blue Bus 002 Device 011: ID 0cf3:3004 Atheros Communications, Inc. AR3012 Bluetooth 4.0
uname -a Linux Eleonor 4.16.5-041605-generic #201804260630 SMP Thu Apr 26 10:32:51 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04 LTS Release: 18.04 Codename: bionic
Tested in a newer kernel, the problem still persists.
lsusb | grep -i blue
Bus 002 Device 011: ID 0cf3:3004 Atheros Communications, Inc. AR3012 Bluetooth 4.0
uname -a 041605- generic #201804260630 SMP Thu Apr 26 10:32:51 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Linux Eleonor 4.16.5-
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04 LTS
Release: 18.04
Codename: bionic