How to obtain public address of peripheral connected and paired with random address on Linux?

[retsyx]

I have a that advertises on random addresses. I have written code that successfully scans for, and pairs to the device. But I can't find a way to obtain the device's public address after the pairing, which I need to connect to the device in the future.

For example, the peripheral will advertise with address 55:07:64:6B:82:53 (this address changes every time), and after being paired bluetoothctl will show the peripheral paired with address 60:BE:C4:0A:7B:04 (this is always the same address after pairing).

The Linux kernel pair system call copies in the public address at the end of a successful pairing, so the public address is available somewhere but I don't know how to find it with Bleak.

Any suggestions?

[retsyx]

When connecting, the public address is updated by bluez.

Logs of a connection to the device.

2024-10-28 18:46:15,636 DEBUG: bleak.backends.bluezdbus.client Connecting to device @ 5B:FA:16:4E:BA:DB
2024-10-28 18:46:15,661 DEBUG: bleak.backends.bluezdbus.client Connecting to BlueZ path /org/bluez/hci0/dev_5B_FA_16_4E_BA_DB
2024-10-28 18:46:15,811 DEBUG: bleak.backends.bluezdbus.manager received D-Bus signal: org.freedesktop.DBus.Properties.PropertiesChanged (/org/bluez/hci0/dev_5B_FA_16_4E_BA_DB): ['org.bluez.Device1', {'RSSI': <dbus_fast.signature.Variant ('n', -31)>}, []]
2024-10-28 18:46:15,846 DEBUG: bleak.backends.bluezdbus.manager received D-Bus signal: org.freedesktop.DBus.Properties.PropertiesChanged (/org/bluez/hci0/dev_5B_FA_16_4E_BA_DB): ['org.bluez.Device1', {'Connected': <dbus_fast.signature.Variant ('b', True)>}, []]
2024-10-28 18:46:16,888 DEBUG: bleak.backends.bluezdbus.manager received D-Bus signal: org.freedesktop.DBus.Properties.PropertiesChanged (/org/bluez/hci0/dev_5B_FA_16_4E_BA_DB): ['org.bluez.Device1', {'Address': <dbus_fast.signature.Variant ('s', 60:BE:C4:0A:7B:04)>, 'AddressType': <dbus_fast.signature.Variant ('s', public)>, 'Bonded': <dbus_fast.signature.Variant ('b', True)>}, []]

The last PropertiesChanged message updates the device's address. As far as I can tell, there is a DevicePropertiesChangedCallback definition but I can't find it being used anywhere. How can I be notified of the change, or find the new value?