Steps to reproduce:

1. Install macchanger with sudo apt install macchanger

2. When prompted, agree to change MAC address every time.

3. Turn Wi-Fi off and check MAC address

sudo ip link set wlp1s0 down
macchanger --show wlp1s0

4. Turn Wi-Fi on and check MAC address

sudo ip link set wlp1s0 up
macchanger --show wlp1s0

5. Repeat steps 3-4 a few times

What should happen:

When Wi-Fi is turned on result should be:

Current MAC:   00:00:00:00:00:00 (unknown)
Permanent MAC: 11:11:11:11:11:11 (unknown)

Where 11:11... is the permanent MAC, and 00:00... is some random
address.

What happens instead:

When Wi-Fi is turned *off* the result is:

Current MAC:   00:00:00:00:00:00 (unknown)
Permanent MAC: 11:11:11:11:11:11 (unknown)

When Wi-Fi is turned *on* the result is:

Current MAC:   11:11:11:11:11:11 (unknown)
Permanent MAC: 11:11:11:11:11:11 (unknown)

In other words, the permanent MAC is exposed specifically when Wi-Fi
is turned on. If anything it should be the other way round?

Notes:

• Setting confirmed with sudo dpkg-reconfigure macchanger

Package versions:

• macchanger-1.7.0-5.4
• network-manager-1.14.6-2

So the following issue should not apply:

• https://bugzilla.gnome.org/show_bug.cgi?id=387832