On Sun, Apr 12, 2026 at 18:18 Charles Curley < [email protected]> wrote:
> I get an odd interaction between kea and libvirt's networking when I > reboot my computer. > > The system comes up more or less as usual. Kea is running. Libvirt > tries to bring the virtual network up, but fails: > > root@hawk:~# journalctl -b | grep dnsmasq > Apr 12 14:43:58 hawk dnsmasq[2652]: failed to bind DHCP server socket: > Address already in use > Apr 12 14:43:58 hawk dnsmasq[2652]: FAILED to start up > Apr 12 14:43:58 hawk libvirtd[2348]: internal error: Child process > (VIR_BRIDGE_NAME=virbr0 /usr/sbin/dnsmasq > --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro > --dhcp-script=/usr/lib/libvirt/libvirt_leaseshelper) unexpected exit status > 2: > dnsmasq: failed to bind DHCP server > socket: Address already in use > Apr 12 15:34:07 hawk dnsmasq[4352]: failed to bind DHCP server socket: > Address already in use > Apr 12 15:34:07 hawk dnsmasq[4352]: FAILED to start up > Apr 12 15:34:07 hawk libvirtd[4272]: internal error: Child process > (VIR_BRIDGE_NAME=virbr0 /usr/sbin/dnsmasq > --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro > --dhcp-script=/usr/lib/libvirt/libvirt_leaseshelper) unexpected exit status > 2: > dnsmasq: failed to bind DHCP server > socket: Address already in use > > I'm not sure to which address the error message refers. Only lo and > enp3s0 are running even after manually issuing "virsh net-start > default". > > If I shut kea-dhcp4-server.service down, I can then start the virtual > network manually. I can then re-start kea-dhcp4-server.service. > > > -- > Does anybody read signatures any more? > > https://charlescurley.com > https://charlescurley.com/blog/ without being able to see logs i would bet a shiny nickel on libvirt's own dhcp server conflicting with kea. i believe you can destroy the default libvirt network which should allow you to run kea to handle dhcp for you . HTH // jkl > <https://charlescurley.com/blog/>
