Seeing this error: (nova): TRACE: Command: sudo FLAGFILE=/etc/nova/nova.conf NETWORK_ID=1 dnsmasq --strict-order --bind-interfaces --interface=br0 --conf-file= --domain=novalocal --pid-file=/var/lib/nova/networks/nova-br0.pid --listen-address=10.0.0.1 --except-interface=lo --dhcp-range=10.0.0.2,static,120s --dhcp-lease-max=256 --dhcp-hostsfile=/var/lib/nova/networks/nova-br0.conf --dhcp-script=/usr/bin/nova-dhcpbridge --leasefile-ro (nova): TRACE: Exit code: 2 (nova): TRACE: Stdout: '' (nova): TRACE: Stderr: '\ndnsmasq: failed to create listening socket for fe80::fc16:3eff:fe1d:632: No such device or address\n' where this is the IPv6 address on br0: $ ip addr show br0 6: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether fe:16:3e:1e:1c:31 brd ff:ff:ff:ff:ff:ff inet 10.0.0.1/24 brd 10.0.0.255 scope global br0 inet6 fe80::fc16:3eff:fe1d:632/64 scope link valid_lft forever preferred_lft forever
To reproduce, just restart the network service when there's an instance running - the IPv6 address appears to get added to the bridge when you first start an instance
deleting the IPv6 address with e.g. $> ip addr del fe80::fc16:3eff:fe1d:632/64 dev br0 allows the network service to start again
Upstream bug is: https://bugs.launchpad.net/nova/+bug/853892 Should be fixed in diablo by: a) removing --interface= from the dnsmasq flags because of this: http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2011q3/005247.html b) fixing the ordering of IP address on the bridge so that dnsmasq actually sees the requests https://code.launchpad.net/~vishvananda/nova/new-dnsmasq/+merge/76096 https://code.launchpad.net/~vishvananda/nova/fix-dhcp-ms/+merge/76361
openstack-nova-2011.3-1.fc16 has been submitted as an update for Fedora 16. https://admin.fedoraproject.org/updates/openstack-nova-2011.3-1.fc16
Package openstack-nova-2011.3-1.fc16: * should fix your issue, * was pushed to the Fedora 16 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing openstack-nova-2011.3-1.fc16' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/openstack-nova-2011.3-1.fc16 then log in and leave karma (feedback).
openstack-nova-2011.3-3.fc16 has been submitted as an update for Fedora 16. https://admin.fedoraproject.org/updates/openstack-nova-2011.3-3.fc16
openstack-nova-2011.3-3.fc16 has been pushed to the Fedora 16 stable repository. If problems still persist, please make note of it in this bug report.