I had the same problem, i do the update the kernel to 3.2.0-38-generic and now this working again
Ubuntu 12.04 LTS 64Bits Feb 28 08:23:16 os0 dnsmasq-dhcp[2092]: DHCPREQUEST(br100) 172.16.88.229 fa:16:3e:44:90:46 Feb 28 08:23:16 os0 dnsmasq-dhcp[2092]: DHCPACK(br100) 172.16.88.229 fa:16:3e:44:90:46 00000021 nova-api=2012.2.1+stable-20121212-a99a802e-0ubuntu1.1~cloud0 nova-cert=2012.2.1+stable-20121212-a99a802e-0ubuntu1.1~cloud0 nova-common=2012.2.1+stable-20121212-a99a802e-0ubuntu1.1~cloud0 nova-compute=2012.2.1+stable-20121212-a99a802e-0ubuntu1.1~cloud0 nova-compute-kvm=2012.2.1+stable-20121212-a99a802e-0ubuntu1.1~cloud0 nova-consoleauth=2012.2.1+stable-20121212-a99a802e-0ubuntu1.1~cloud0 nova-network=2012.2.1+stable-20121212-a99a802e-0ubuntu1.1~cloud0 nova-novncproxy=2012.2.1+stable-20121212-a99a802e-0ubuntu1.1~cloud0 nova-scheduler=2012.2.1+stable-20121212-a99a802e-0ubuntu1.1~cloud0 python-nova=2012.2.1+stable-20121212-a99a802e-0ubuntu1.1~cloud0 python-novaclient=1:2.9.0-0ubuntu1~cloud0 -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to nova in Ubuntu. https://bugs.launchpad.net/bugs/1029430 Title: KVM guests networking issues with no virbr0 and with vhost_net kernel modules loaded To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1029430/+subscriptions -- Ubuntu-server-bugs mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
