I did not tried but it seems to be the way to go ?
"If firewalld is active on the host, libvirt will attempt to place the
bridge interface of a libvirt virtual network into the firewalld zone
named "libvirt" (thus making all guest->host traffic on that network
subject to the rules of the "libvirt"
Public bug reported:
After upgrading from 17.04 to 17.10 a dialog for updating apt-file
poped, when clicking 'run this action now' it create a terminal window
with "There was an error creating the child process for this terminal.
Failed to execute child process "/usr/share/apt-file/do-apt-file-upd
Temporary fix I used: install an older version
1) you need to uninstall current
sudo apt-get remove macchanger
2) download previous package
If you're on 64 bit version:
http://archive.ubuntu.com/ubuntu/pool/universe/m/macchanger/macchanger_1.5.0-9_amd64.deb
Or 32 bit:
http://archive.ubuntu.com/u