Package: virt-manager Version: 1:1.4.3-1 Severity: important
Hi. Since the most recent upgrade, when I try to start a network from the GUI: Error starting network 'main': internal error: Failed to initialize a valid firewall backend Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 89, in cb_wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/asyncjob.py", line 125, in tmpcb callback(*args, **kwargs) File "/usr/share/virt-manager/virtManager/libvirtobject.py", line 82, in newfn ret = fn(self, *args, **kwargs) File "/usr/share/virt-manager/virtManager/network.py", line 81, in start self._backend.create() File "/usr/lib/python2.7/dist-packages/libvirt.py", line 2947, in create if ret == -1: raise libvirtError ('virNetworkCreate() failed', net=self) libvirtError: internal error: Failed to initialize a valid firewall backend Cheers, Chris -- System Information: Debian Release: buster/sid APT prefers unstable-debug APT policy: (500, 'unstable-debug'), (500, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 4.15.0-2-amd64 (SMP w/8 CPU cores) Locale: LANG=en_DE.UTF-8, LC_CTYPE=en_DE.UTF-8 (charmap=UTF-8), LANGUAGE=en_DE.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages virt-manager depends on: ii dconf-gsettings-backend [gsettings-backend] 0.26.1-3 ii gir1.2-gtk-3.0 3.22.29-3 ii gir1.2-gtk-vnc-2.0 0.7.2-1 ii gir1.2-libosinfo-1.0 1.1.0-1 ii gir1.2-libvirt-glib-1.0 1.0.0-1 ii gir1.2-vte-2.91 0.52.0-1 ii librsvg2-common 2.40.20-2 ii python 2.7.14-4 ii python-dbus 1.2.6-1 ii python-gi 3.28.1-1 ii python-gi-cairo 3.28.1-1 ii python-libvirt 4.0.0-1 ii python-requests 2.18.4-2 ii python2.7 2.7.14-8 ii virtinst 1:1.4.3-1 Versions of packages virt-manager recommends: ii gir1.2-spiceclientglib-2.0 0.34-1.1 ii gir1.2-spiceclientgtk-3.0 0.34-1.1 ii libvirt-daemon-system 4.2.0-1 Versions of packages virt-manager suggests: ii gir1.2-secret-1 0.18.6-1 ii gnome-keyring 3.28.0.2-1 pn python-guestfs <none> pn ssh-askpass <none> pn virt-viewer <none> -- no debconf information