尝试将一些无线耳机连接到我的笔记本电脑。他们几天前工作然后停止了，我不明白为什么。在此之前，它会工作几天，然后停止，直到我重新启动或几个小时后再次尝试。现在已经快2周没有效果了。
$ neofetch
OS: Arch Linux x86_64
Host: 20BU000AUS ThinkPad T450
Kernel: 5.17.7-zen1-2-zen
# Installed
bluez 5.64-2
bluez-firmware 1.2-9
bluez-hid2hci 5.64-2
bluez-libs 5.64-2
bluez-utils 5.64-2
hidapi 0.11.2-1
libldac 2.0.2.3-1
pulseaudio-bluetooth 15.0-4
sbc 1.5-2
$ bluetoothctl show
Powered: yes
Discoverable: no
Pairable: yes
$ bluetoothctl info 8D:40:4C:C6:73:A4
Device 8D:40:4C:C6:73:A4 (public)
Paired: yes
Trusted: yes
Blocked: no
Connected: no
LegacyPairing: no
$ bluetoothctl connect 8D:40:4C:C6:73:A4
Attempting to connect to 8D:40:4C:C6:73:A4
Failed to connect: org.bluez.Error.Failed br-connection-profile-unavailable
$ journalctl -u bluetooth
bluetoothd[13782]: src/service.c:btd_service_connect() a2dp-sink …