On 11.02.25 00:17, user via Dnsmasq-discuss wrote:
Hello,
I use a Debian-based operating system called Kicksecure as a host OS, and run
an operating system called Whonix inside two VMs using KVM. This setup makes
use of dnsmasq. In case you are unfamiliar with Kicksecure and Whonix, here are
the project pages:
https://kicksecure.com
https://whonix.org
https://whonix.org/wiki/KVM#Start
It was recent that I upgraded from the Debian 12.8 point release to Debian
12.9. When I did, I became unable to run the Whonix-Gateway VM when I click the
'Play' button in virt-manager. Here is a link to a forum user with the same
problem as me:
https://forums.whonix.org/t/cannot-start-whonix-external-virtual-network/21092
This is the error I receive:
Error starting domain: Requested operation is not valid: network
'Whonix-External' is not active
Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/asyncjob.py", line 72, in
cb_wrapper
callback(asyncjob, *args, **kwargs)
File "/usr/share/virt-manager/virtManager/asyncjob.py", line 108, in tmpcb
callback(*args, **kwargs)
File "/usr/share/virt-manager/virtManager/object/libvirtobject.py", line 57,
in newfn
ret = fn(self, *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/share/virt-manager/virtManager/object/domain.py", line 1402, in
startup
self._backend.create()
File "/usr/lib/python3/dist-packages/libvirt.py", line 1373, in create
raise libvirtError('virDomainCreate() failed')
libvirt.libvirtError: Requested operation is not valid: network
'Whonix-External' is not active
When I tried the command
virsh -c qemu:///system net-start Whonix-External
to start the VM, I receive this error involving dnsmasq:
error: Failed to start network Whonix-External
error: internal error: Child process (VIR_BRIDGE_NAME=virbr1
/usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/Whonix-External.conf
--leasefile-ro --dhcp-script=/usr/lib/libvirt/libvirt_leaseshelper) unexpected
exit status 2:
dnsmasq: failed to create listening socket for 10.0.2.2: Address
already in use
I used this command, but I do not see any mention of 10.0.2.2 at all:
ss -l -p
This seems similar to
https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/2055776
where the verdict was:
> Two different services attempting to bind on a single (IP, port)
tuple is going to lead to a failure of one of the services. Prior to
this update it was a silent failure, which serves only to make debugging
problems more difficult.
To be able to avoid such a conflict, you'd first need to find out what's
claiming port 53.
What's the output of:
sudo ss -tulpn sport = 53
Kind regards,
Buck
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