Public bug reported:
I am using virsh to manage my virtual machines (KVM, bridged networking). After
upgrading from Ubuntu 8.10 to 10.04 I am not able to save/restore my guest
systems properly anymore. After restoring, the guest systems are up and running
well but they don't have any network connection. Running "ifconfig" on the
guest system shows the same settings as before saving/restoring it. Running
"/etc/init.d/networking restart" on the guest results in a timeout.
After shutting down and rebooting the guest system, everything works fine.
The network configuration as well as the guest configuration on the host system
is exactly the same as before my Ubuntu upgrade.
-------------------------------------------
This is my network configuration in /etc/network/interfaces:
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
iface eth0 inet manual
iface eth1 inet manual
# Network bridges needed for the virtual machines
auto br0 br1
iface br0 inet dhcp
bridge_ports eth0
bridge_fd 9
bridge_hello 2
bridge_maxage 12
bridge_stp off
iface br1 inet static
address 192.168.11.2
network 192.168.11.0
netmask 255.255.255.0
broadcast 192.168.11.255
#gateway 192.168.11.1
bridge_ports eth1
bridge_fd 9
bridge_hello 2
bridge_maxage 12
bridge_stp off
-------------------------------------------
This is the configuration of one of my guest systems:
<domain type='kvm'>
<name>guest01</name>
<uuid>bf5199ec-63f6-81da-c38a-31e6aa0d8cba</uuid>
<memory>262144</memory>
<currentMemory>262144</currentMemory>
<vcpu>1</vcpu>
<os>
<type arch='x86_64' machine='pc-0.12'>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/kvm</emulator>
<disk type='block' device='disk'>
<source dev='/dev/vg_host/lv_kvm-guest01'/>
<target dev='hda' bus='ide'/>
</disk>
<disk type='block' device='disk'>
<source dev='/dev/vg_data/lv_guest01_data'/>
<target dev='hdb' bus='ide'/>
</disk>
<disk type='file' device='cdrom'>
<target dev='hdc' bus='ide'/>
<readonly/>
</disk>
<interface type='bridge'>
<mac address='00:16:36:29:a5:75'/>
<source bridge='br0'/>
<model type='virtio'/>
</interface>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target port='0'/>
</console>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1'/>
<video>
<model type='cirrus' vram='9216' heads='1'/>
</video>
</devices>
</domain>
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
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No network connection in guest system after restore
https://bugs.launchpad.net/bugs/593085
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