Failed to initialize libnetcontrol. Management of interface devices is disabled

English Network/Internet
#1

I can’t start the libvirt daemon.

sudo systemctl status libvirtd.service

Output:

○ libvirtd.service - Virtualization daemon
     Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; preset: disabled)
     Active: inactive (dead) since Mon 2023-07-03 21:59:44 CEST; 10min ago
   Duration: 1min 7.093s
TriggeredBy: ● libvirtd-ro.socket
             ● libvirtd.socket
             ● libvirtd-admin.socket
       Docs: man:libvirtd(8)
             https://libvirt.org
    Process: 24685 ExecStart=/usr/sbin/libvirtd $LIBVIRTD_ARGS (code=exited, status=0/SUCCESS)
   Main PID: 24685 (code=exited, status=0/SUCCESS)
        CPU: 122ms

Jul 03 21:58:36 localhost.localdomain systemd[1]: Starting Virtualization daemon...
Jul 03 21:58:36 localhost.localdomain libvirtd[24685]: libvirt version: 9.4.0
Jul 03 21:58:36 localhost.localdomain libvirtd[24685]: hostname: localhost.localdomain
Jul 03 21:58:36 localhost.localdomain libvirtd[24685]: Failed to initialize libnetcontrol.  Management of interface devices is disabled
Jul 03 21:58:36 localhost.localdomain systemd[1]: Started Virtualization daemon.
Jul 03 21:59:43 localhost.localdomain systemd[1]: Stopping Virtualization daemon...
Jul 03 21:59:44 localhost.localdomain systemd[1]: libvirtd.service: Deactivated successfully.
Jul 03 21:59:44 localhost.localdomain systemd[1]: Stopped Virtualization daemon.

How can I use virtual machines on Tumbleweed now, without switching to the deprecated wicked network interface?
Thanks in advance.

#2

@juri Hi and welcome to the Forum :smile:

I use bridge devices for my virtual machines… configured via nm-connection-editor (or via text file in /etc/NetworkManager/system-connections/ directory.

How did you install libvirtd and others?

#3

I just ran into this with Leap 15.5.

Up until now, I had been using “wicked”. But this time I went with NetworkManager, and when I installed KVM it told me that I would have manually configure a bridge.

I followed the stop in this page and, in particular, the section on “Adding a network bridge with nmcli”.