Wi-Fi замедляется при использовании Bluetooth-гарнитуры

Использование Ubuntu 18.04 LTS для Linux.

Как и в заголовке, Wi-Fi замедляется при использовании гарнитуры Bluetooth.

Это дешевый ноутбук Asus, и все работает прямо из коробки на Ubuntu. Мои спецификации следующие:

H/W path       Device     Class          Description
====================================================
                          system         E402NA
/0                        bus            E402NA
/0/0                      memory         64KiB BIOS
/0/e                      memory         2GiB System Memory
/0/e/0                    memory         2GiB DIMM DDR3 Synchronous 1600 MHz (0.
/0/11                     memory         112KiB L1 cache
/0/12                     memory         2MiB L2 cache
/0/13                     processor      Intel(R) Celeron(R) CPU N3350 @ 1.10GHz
/0/100                    bridge         Celeron N3350/Pentium N4200/Atom E3900 
/0/100/0.1                generic        Intel Corporation
/0/100/2                  display        Intel Corporation
/0/100/e                  multimedia     Celeron N3350/Pentium N4200/Atom E3900 
/0/100/f                  communication  Celeron N3350/Pentium N4200/Atom E3900 
/0/100/12                 storage        Celeron N3350/Pentium N4200/Atom E3900 
/0/100/13                 bridge         Celeron N3350/Pentium N4200/Atom E3900 
/0/100/13/0               generic        RTS5286 PCI Express Card Reader
/0/100/13/0.2  enp1s0f2   network        RTL810xE PCI Express Fast Ethernet cont
/0/100/13.1               bridge         Celeron N3350/Pentium N4200/Atom E3900 
/0/100/13.1/0  wlp2s0     network        QCA9565 / AR9565 Wireless Network Adapt
/0/100/15                 bus            Celeron N3350/Pentium N4200/Atom E3900 
/0/100/15/0    usb1       bus            xHCI Host Controller
/0/100/15/0/4             communication  Bluetooth wireless interface
/0/100/15/0/5             multimedia     USB2.0 VGA UVC WebCam
/0/100/15/1    usb2       bus            xHCI Host Controller
/0/100/16                 generic        Celeron N3350/Pentium N4200/Atom E3900 
/0/100/17                 generic        Celeron N3350/Pentium N4200/Atom E3900 
/0/100/1c                 generic        Celeron N3350/Pentium N4200/Atom E3900 
/0/100/1f                 bridge         Celeron N3350/Pentium N4200/Atom E3900 
/0/100/1f.1               bus            Celeron N3350/Pentium N4200/Atom E3900

edit: дополнительная информация, запрошенная @vidario

wlp2s0    IEEE 802.11  ESSID:"TP-Link_D236"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: AC:84:C6:B3:D2:36   
          Bit Rate=65 Mb/s   Tx-Power=14 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=70/70  Signal level=-12 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:41   Missed beacon:0

enp1s0f2  no wireless extensions.

lo        no wireless extensions.

, а также дополнительная информация, запрошенная у @heynnema

##  sudo lshw -C network
  *-network                 
       description: Ethernet interface
       product: RTL810xE PCI Express Fast Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0.2
       bus info: pci@0000:01:00.2
       logical name: enp1s0f2
       version: 06
       serial: b0:6e:bf:0c:ba:67
       size: 10Mbit/s
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8402-1_0.0.1 10/26/11 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:22 ioport:e000(size=256) memory:91214000-91214fff memory:91210000-91213fff
  *-network
       description: Wireless interface
       product: QCA9565 / AR9565 Wireless Network Adapter
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: wlp2s0
       version: 01
       serial: 40:9f:38:5c:ce:a7
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
       configuration: broadcast=yes driver=ath9k driverversion=4.18.0-18-generic firmware=N/A ip=192.168.0.195 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       resources: irq:23 memory:91100000-9117ffff memory:91180000-9118ffff
 ##

grep -i bt /etc/modprobe.d/*
/etc/modprobe.d/alsa-base.conf:options bt87x index=-2
/etc/modprobe.d/ath9k.conf:options ath9k btcoex_enable=1
/etc/modprobe.d/blacklist-oss.conf:blacklist btaudio