Bug 459118

Created attachment 152059 [details]
sender=:1.59 nuntius

### SUMMARY

After system upgrade **kdeconnect** brought the **nuntius** into my autostart.  
I found it produce spam of endless attempts by bluez to reconnect to my bluetooth headset and speaker.   
Even if bluetooth is disabled and bluetooth headset and speaker are turned off.  
Which leads to endles failure attempts to reconnect bluetooth headset and speaker after i disconnect headset or speaker from my laptop.  
Also it leads to endless desktop notifications of connect/disconnect by Blueman applet.

### Issue anamnes:  
https://github.com/blueman-project/blueman/issues/1854
https://github.com/bluez/bluez/issues/392

**syslog**:
```
...
/var/log/syslog:158695:Sep 13 22:38:58 smarttop bluetoothd[1193]: src/device.c:search_cb() F4:4E:FD:03:80:98: error updating services: Host is down (112)
/var/log/syslog:158705:Sep 13 22:39:03 smarttop bluetoothd[1193]: src/device.c:search_cb() 00:00:AB:CE:47:FE: error updating services: Host is down (112)
/var/log/syslog:158715:Sep 13 22:39:14 smarttop bluetoothd[1193]: src/device.c:search_cb() F4:4E:FD:03:80:98: error updating services: Host is down (112)
/var/log/syslog:158716:Sep 13 22:39:19 smarttop bluetoothd[1193]: src/device.c:search_cb() 00:00:AB:CE:47:FE: error updating services: Host is down (112)
/var/log/syslog:158725:Sep 13 22:39:30 smarttop bluetoothd[1193]: src/device.c:search_cb() F4:4E:FD:03:80:98: error updating services: Host is down (112)
/var/log/syslog:158734:Sep 13 22:39:35 smarttop bluetoothd[1193]: src/device.c:search_cb() 00:00:AB:CE:47:FE: error updating services: Host is down (112)
/var/log/syslog:158743:Sep 13 22:39:46 smarttop bluetoothd[1193]: src/device.c:search_cb() F4:4E:FD:03:80:98: error updating services: Host is down (112)
/var/log/syslog:158744:Sep 13 22:39:51 smarttop bluetoothd[1193]: src/device.c:search_cb() 00:00:AB:CE:47:FE: error updating services: Host is down (112)
/var/log/syslog:158753:Sep 13 22:40:02 smarttop bluetoothd[1193]: src/device.c:search_cb() F4:4E:FD:03:80:98: error updating services: Host is down (112)
/var/log/syslog:158762:Sep 13 22:40:07 smarttop bluetoothd[1193]: src/device.c:search_cb() 00:00:AB:CE:47:FE: error updating services: Host is down (112)
/var/log/syslog:158771:Sep 13 22:40:18 smarttop bluetoothd[1193]: src/device.c:search_cb() F4:4E:FD:03:80:98: error updating services: Host is down (112)
/var/log/syslog:158772:Sep 13 22:40:23 smarttop bluetoothd[1193]: src/device.c:search_cb() 00:00:AB:CE:47:FE: error updating services: Host is down (112)
/var/log/syslog:158781:Sep 13 22:40:34 smarttop bluetoothd[1193]: src/device.c:search_cb() F4:4E:FD:03:80:98: error updating services: Host is down (112)
/var/log/syslog:158790:Sep 13 22:40:39 smarttop bluetoothd[1193]: src/device.c:search_cb() 00:00:AB:CE:47:FE: error updating services: Host is down (112)
/var/log/syslog:158799:Sep 13 22:40:50 smarttop bluetoothd[1193]: src/device.c:search_cb() F4:4E:FD:03:80:98: error updating services: Host is down (112)
/var/log/syslog:158808:Sep 13 22:40:55 smarttop bluetoothd[1193]: src/device.c:search_cb() 00:00:AB:CE:47:FE: error updating services: Host is down (112)
/var/log/syslog:158820:Sep 13 22:41:06 smarttop bluetoothd[1193]: src/device.c:search_cb() F4:4E:FD:03:80:98: error updating services: Host is down (112)
/var/log/syslog:158822:Sep 13 22:41:11 smarttop bluetoothd[1193]: src/device.c:search_cb() 00:00:AB:CE:47:FE: error updating services: Host is down (112)
...
```

**log of **:  
`sudo dbus-monitor --system destination=org.bluez,interface=org.bluez.Device1`:  
```
...
method call time=1663162202.133755 sender=:1.59 -> destination=org.bluez serial=63812 path=/org/bluez/hci0/dev_00_00_AB_CE_47_FE; interface=org.bluez.Device1; member=ConnectProfile
   string "00001101-0000-1000-8000-00805f9b34fb"
method call time=1663162212.133786 sender=:1.59 -> destination=org.bluez serial=63820 path=/org/bluez/hci0/dev_00_00_AB_CE_47_FE; interface=org.bluez.Device1; member=ConnectProfile
   string "00001101-0000-1000-8000-00805f9b34fb"
method call time=1663162222.135780 sender=:1.59 -> destination=org.bluez serial=63828 path=/org/bluez/hci0/dev_00_00_AB_CE_47_FE; interface=org.bluez.Device1; member=ConnectProfile
   string "00001101-0000-1000-8000-00805f9b34fb"
method call time=1663162232.133598 sender=:1.59 -> destination=org.bluez serial=63836 path=/org/bluez/hci0/dev_00_00_AB_CE_47_FE; interface=org.bluez.Device1; member=ConnectProfile
   string "00001101-0000-1000-8000-00805f9b34fb"
method call time=1663162242.133195 sender=:1.59 -> destination=org.bluez serial=63844 path=/org/bluez/hci0/dev_00_00_AB_CE_47_FE; interface=org.bluez.Device1; member=ConnectProfile
   string "00001101-0000-1000-8000-00805f9b34fb"
method call time=1663162252.133746 sender=:1.59 -> destination=org.bluez serial=63852 path=/org/bluez/hci0/dev_00_00_AB_CE_47_FE; interface=org.bluez.Device1; member=ConnectProfile
   string "00001101-0000-1000-8000-00805f9b34fb"
method call time=1663162262.133871 sender=:1.59 -> destination=org.bluez serial=63860 path=/org/bluez/hci0/dev_00_00_AB_CE_47_FE; interface=org.bluez.Device1; member=ConnectProfile
   string "00001101-0000-1000-8000-00805f9b34fb"
method call time=1663162272.133593 sender=:1.59 -> destination=org.bluez serial=63868 path=/org/bluez/hci0/dev_00_00_AB_CE_47_FE; interface=org.bluez.Device1; member=ConnectProfile
   string "00001101-0000-1000-8000-00805f9b34fb"
method call time=1663162282.133625 sender=:1.59 -> destination=org.bluez serial=63876 path=/org/bluez/hci0/dev_00_00_AB_CE_47_FE; interface=org.bluez.Device1; member=ConnectProfile
   string "00001101-0000-1000-8000-00805f9b34fb"
...
```

**btmon log**:  
$ sudo btmon > [btmon.log](https://fars.ee/tCbE.wvwpWU)  
$ sudo btmon -w > [btmon.btsnoop.gz](https://github.com/bluez/bluez/files/9561076/btmon.btsnoop.gz)

I found the villain via `d-feet` by search `:1.59`
it is **nuntius**:
https://user-images.githubusercontent.com/2188215/190208051-bed820ca-f892-4f47-b6ee-1a47d8b29af0.png
https://user-images.githubusercontent.com/2188215/190208078-04ec12fd-aa46-47cf-92c9-060f40e5c0d0.png

If i kill the nuntius process, the endless spamming of notifications and attempts to reconnect will gone.

### STEPS TO REPRODUCE
1. install kdeconnect and nuntius
2. connect and pair bluetooth headset/speaker
3. disconnect bluetooth headset/speaker

### OBSERVED RESULT
Endless attempts by bluez to reconnect the bluetooth headset and speaker,   
even if bluetooth adapter is disabled and bluetooth headset and speaker are turned off.  
Endless desktop notifications of connect/disconnect by Blueman applet right after headset/speaker disconnect  

### EXPECTED RESULT
No endless attempts by bluez to reconnect the bluetooth headset and speaker.  
No endless desktop notifications of connect/disconnect by Blueman applet.

### SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Pop_Os! 22.04
(available in About System)
KDE Plasma Version: libkf5plasma 5 5.92.0-0ubuntu1, libkf5plasmaquick5 5 5.92.0-0ubuntu1, plasma-framework 5.92.0-0ubuntu1
KDE Frameworks Version: -
Qt Version: libqt5* 5.15.3 and some 5.15.9 libs

### ADDITIONAL INFORMATION
xfce Version: 4.17
kdeconnect Version: 21.12.3-0ubuntu1
nuntius Version 0.2.0-5build1

I guess the same: https://bugs.kde.org/show_bug.cgi?id=417421