减少bluetoothctl冗余

当以交互方式使用bluetoothctl时，它会不断报告来自相邻设备的RSSI更改。这在大多数情况下都是相当令人担忧的，因为我在将笔记本电脑连接到蓝牙鼠标时，并不关心同事iMac的RSSI：

$ bluetoothctl
Agent registered
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -79
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -79
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -82
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -81
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -82
[Bluetooth Mouse]# devices
Device 04:xx:xx:xx:xx:37 iMac de Bernard
Device 48:xx:xx:xx:xx:86 xxxxxxxxxxx
Device 53:xx:xx:xx:xx:26 xxxxxxxxxxx
Device 2C:xx:xx:xx:xx:B6 xxxxxxxxxxx
Device 04:xx:xx:xx:xx:87 xxxxxxxxxxx
Device 6C:xx:xx:xx:xx:88 xxxxxxxxxxx
Device 00:xx:xx:xx:xx:32 Bluetooth Mouse
Device 44:xx:xx:xx:xx:8E xxxxxxxxxxx
Device D4:xx:xx:xx:xx:8E xxxxxxxxxxx
Device 77:xx:xx:xx:xx:77 xxxxxxxxxxx
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -82
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -80
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -79
[CHG] Device 53:xx:xx:xx:xx:26 RSSI: -84
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -79
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -79
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -78
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -80
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -82
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -77
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -84
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -78
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -82
[Bluetooth Mouse]# connect 00:xx:xx:xx:xx:32
Attempting to connect to 00:xx:xx:xx:xx:32
Connection successful
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -81
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -84
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -79
[CHG] Device 53:xx:xx:xx:xx:26 RSSI: -86
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -78
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -79
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -81
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -80
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -81
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -79
[CHG] Device 2C:xx:xx:xx:xx:B6 RSSI: -81

有没有办法摆脱大部分这些“

[CHG]

”消息？有点像蓝牙CTL——安静