pi@raspberrypi:~ $ spoof-mac list
- "ether" on device "eth0" with MAC address 3c:18:a0:53:bc:05 currently set to link/ether 3c:18:a0:53:bc:05
- "" on device "wlan0" currently set to link/ether e4:5f:01:8b:90:47
Traceback (most recent call last):
  File "/home/pi/.local/bin/spoof-mac", line 138, in <module>
    sys.exit(main(arguments, root_or_admin))
  File "/home/pi/.local/bin/spoof-mac", line 76, in main
    list_interfaces(args, spoofer)
  File "/home/pi/.local/bin/spoof-mac", line 56, in list_interfaces
    for port, device, address, current_address in spoofer.find_interfaces(targets=targets):
  File "/home/pi/.local/lib/python3.9/site-packages/spoofmac/interface.py", line 87, in find_interfaces
    current_address = self.get_interface_mac(adapter_name)
  File "/home/pi/.local/lib/python3.9/site-packages/spoofmac/interface.py", line 49, in get_interface_mac
    result = subprocess.check_output(["ip", "link", "show", device], stderr=subprocess.STDOUT, universal_newlines=True)
  File "/usr/lib/python3.9/subprocess.py", line 424, in check_output
    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
  File "/usr/lib/python3.9/subprocess.py", line 528, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['ip', 'link', 'show', 'eth0.2@eth0']' returned non-zero exit status 1.