Comment 28 for bug 1773897

I can also reproduce the bug.

Notebook: HP Spectre x360 Convertible W2Q33AV
Wi-Fi/BT module: 8087:0a2a Intel
BlueZ: 5.50 (bluez-5.50-1.fc28.x86_64)
BT Mouse: Logitech M535

Log:
[bluetooth]# scan on
Discovery started
[CHG] Controller C8:21:58:16:95:58 Discovering: yes
[NEW] Device 34:88:5D:89:64:81 Bluetooth Mouse M336/M337/M535
[bluetooth]# trust 34:88:5D:89:64:81
[CHG] Device 34:88:5D:89:64:81 Trusted: yes
Changing 34:88:5D:89:64:81 trust succeeded
[bluetooth]# connect 34:88:5D:89:64:81
Attempting to connect to 34:88:5D:89:64:81
[CHG] Device 34:88:5D:89:64:81 Connected: yes
[CHG] Device 34:88:5D:89:64:81 Modalias: usb:v046DpB016d1203
[CHG] Device 34:88:5D:89:64:81 UUIDs: 00001000-0000-1000-8000-00805f9b34fb
[CHG] Device 34:88:5D:89:64:81 UUIDs: 00001124-0000-1000-8000-00805f9b34fb
[CHG] Device 34:88:5D:89:64:81 UUIDs: 00001200-0000-1000-8000-00805f9b34fb
[CHG] Device 34:88:5D:89:64:81 ServicesResolved: yes
[CHG] Device 34:88:5D:89:64:81 Paired: yes
Connection successful

# Mouse is powered off and then back on

[CHG] Device 34:88:5D:89:64:81 ServicesResolved: no
[CHG] Device 34:88:5D:89:64:81 Paired: no
[CHG] Device 34:88:5D:89:64:81 Connected: no
[CHG] Device 34:88:5D:89:64:81 Class: 0x00000580
[CHG] Device 34:88:5D:89:64:81 Icon: input-mouse
[CHG] Device 34:88:5D:89:64:81 Connected: yes
[CHG] Device 34:88:5D:89:64:81 Connected: no
[CHG] Device 34:88:5D:89:64:81 Connected: yes
[CHG] Device 34:88:5D:89:64:81 Connected: no
[CHG] Device 34:88:5D:89:64:81 Connected: yes
[CHG] Device 34:88:5D:89:64:81 Connected: no
[CHG] Device 34:88:5D:89:64:81 Connected: yes
[CHG] Device 34:88:5D:89:64:81 Connected: no
[CHG] Device 34:88:5D:89:64:81 Connected: yes
[CHG] Device 34:88:5D:89:64:81 Connected: no