[Xen-devel] vif-bridge: ip link set failed, "name" too long

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

Hi,

When one tries to start an HVM guest via OpenStack, which is setup with
Neutron for network, the guest creation always fail.

Here are a few relevent logs:

/var/log/libvirt/libxl/libxl-driver.log:
libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: 
/etc/xen/scripts/vif-bridge add [-1] exited with error status 1
libxl: error: libxl_device.c:1085:device_hotplug_child_death_cb: script: ip 
link set vif188.0-emu name tap695cf459-b0-emu failed
libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister: watch 
w=0x7f5a9c05ddd0: deregister unregistered
libxl: error: libxl_create.c:1226:domcreate_attach_vtpms: unable to add nic 
devices

/var/log/xen/xen-hotplug.log:
Error: argument "tap695cf459-b0-emu" is wrong: "name" too long

The libvirt config, from Nova:
<interface type='bridge'>
  <mac address='fa:16:3e:b0:cd:2a'/>
  <source bridge='qbr695cf459-b0'/>
  <target dev='tap695cf459-b0'/>
</interface>

Thanks,

-- 
Anthony PERARD

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