[libvirt-users] Restarting network on host completely cuts off guests. Why? How to prevent?

Hi list, this probably isn't a completely libvirt-specific question but I'll try anyway. Please ignore if it is too much off-topic. On an Ubuntu (9.10) virtualisation host, running KVM and libvirt and several guests (Debian, Ubuntu, Windows Server 2003) in a bridged network fashion [1,2] I noticed that performing /etc/init.d/networking restart on the host completely cuts off all guests from the network. I have to manually shutdown and restart (virsh shutdown GUEST && virsh start GUEST, a mere reboot doesn't suffice) them to get them onto the network again. Obviously that's not ideal. Is this the expected behaviour? Can I somehow re-establish guest network connectivity without shutting down the guest first? Is my setup somehow wrong or do I expect too much? Any insight, explanation or pointers would be much appreciated! Thanks, Andreas [1] http://wiki.libvirt.org/page/Networking#Debian.2FUbuntu_Bridging [2] http://wiki.libvirt.org/page/Networking#Guest_configuration_2 -- Andreas Ntaflos GPG Fingerprint: 6234 2E8E 5C81 C6CB E5EC 7E65 397C E2A8 090C A9B4