我已打开手机蓝牙并正在使用蓝牙鼠标
~$ bluetoothctl
Agent registered
[bluetooth]# scan on
Discovery started
[CHG] Controller 4C:03:4F:6D:C7:4C Discovering: yes
这是我的虚拟机的 mac 地址，所以它找不到其他设备。我用它git clone git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git来安装固件。
我用了sudo dmesg | grep -i blue：
[ 1.123863] usb 2-1: Product: Virtual Bluetooth Adapter
[ 4.630717] Bluetooth: Core ver 2.22
[ 4.630739] NET: Registered PF_BLUETOOTH protocol family
[ 4.630740] Bluetooth: HCI device and connection manager initialized
[ 4.637167] Bluetooth: HCI socket layer initialized
[ 4.637192] Bluetooth: L2CAP socket layer initialized
[ 4.637196] Bluetooth: SCO socket layer initialized
[ 5.267398] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 5.267401] Bluetooth: BNEP filters: protocol multicast
[ 5.267403] Bluetooth: BNEP socket layer initialized
[ 5.305505] Bluetooth: RFCOMM TTY layer initialized
[ 5.305510] Bluetooth: RFCOMM socket layer initialized
[ 5.305513] Bluetooth: RFCOMM ver 1.11
[ 9.830430] audit: type=1400 audit(1665639633.053:70): apparmor="DENIED" operation="connect" profile="snap.bluez.obex" name="/run/dbus/system_bus_socket" pid=1082 comm="obexd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[ 9.901955] audit: type=1400 audit(1665639633.121:71): apparmor="DENIED" operation="create" profile="snap.bluez.bluez" pid=1076 comm="bluetoothd" family="bluetooth" sock_type="raw" protocol=1 requested_mask="create" denied_mask="create"
[ 9.940074] audit: type=1400 audit(1665639633.157:72): apparmor="DENIED" operation="connect" profile="snap.bluez.bluez" name="/run/dbus/system_bus_socket" pid=1076 comm="bluetoothd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[ 10.416810] audit: type=1400 audit(1665639633.637:73): apparmor="DENIED" operation="create" profile="snap.bluez.bluez" pid=2012 comm="bluetoothd" family="bluetooth" sock_type="raw" protocol=1 requested_mask="create" denied_mask="create"
[ 10.428443] audit: type=1400 audit(1665639633.653:74): apparmor="DENIED" operation="connect" profile="snap.bluez.obex" name="/run/dbus/system_bus_socket" pid=2013 comm="obexd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[ 10.430256] audit: type=1400 audit(1665639633.653:75): apparmor="DENIED" operation="connect" profile="snap.bluez.bluez" name="/run/dbus/system_bus_socket" pid=2012 comm="bluetoothd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[ 11.042666] audit: type=1400 audit(1665639634.265:76): apparmor="DENIED" operation="create" profile="snap.bluez.bluez" pid=2105 comm="bluetoothd" family="bluetooth" sock_type="raw" protocol=1 requested_mask="create" denied_mask="create"
我没有找到缺少什么文件。只是找不到其他设备，我该怎么办？