As pointed out by Alex, starting the dnsmasq service makes the libvirt
network to crash and not start.
So I found a work-around for this: you must set the option "bind-
interfaces" in the "/etc/dnsmasq.conf" file to tell the dnsmasq daemon
to bind itself to the interface specified in the config file.
This solved the problem for me.
** Description changed:
On ubuntu server 10.10 x64, using libvirt-bin 0.8.3-1ubuntu14
With virt-manager on a workstation (ubuntu 10.10 x64 desktop), connected
via ssh, trying to start default network :
Traceback (most recent call last):
- File "/usr/share/virt-manager/virtManager/host.py", line 401, in
start_network
- net.start()
- File "/usr/share/virt-manager/virtManager/network.py", line 97, in start
- self.net.create()
- File "/usr/lib/python2.6/dist-packages/libvirt.py", line 866, in create
- if ret == -1: raise libvirtError ('virNetworkCreate() failed', net=self)
+ File "/usr/share/virt-manager/virtManager/host.py", line 401, in
start_network
+ net.start()
+ File "/usr/share/virt-manager/virtManager/network.py", line 97, in start
+ self.net.create()
+ File "/usr/lib/python2.6/dist-packages/libvirt.py", line 866, in create
+ if ret == -1: raise libvirtError ('virNetworkCreate() failed', net=self)
libvirtError: internal error '/sbin/iptables --table filter --delete INPUT
--in-interface virbr0 --protocol udp --destination-port 69 --jump ACCEPT'
exited with non-zero status 1 and signal 0: iptables: Bad rule (does a matching
rule exist in that chain?).
After adding the rule,
sudo /sbin/iptables --table filter -A INPUT --in-interface virbr0 --protocol
udp --destination-port 69 --jump ACCEPT
I get the following error (with virsh) :
sudo virsh net-start default
erreur : Impossible de démarrer le réseau default
erreur : internal error '/sbin/iptables --table mangle --delete POSTROUTING
--out-interface virbr0 --protocol udp --destination-port 68 --jump CHECKSUM
--checksum-fill' exited with non-zero status 2 and signal 0: iptables v1.4.4:
unknown option `--checksum-fill'
Try `iptables -h' or 'iptables --help' for more information.
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https://bugs.launchpad.net/bugs/668043
Title:
libvirt default network doesn't start, iptables errors, bad rules
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