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61d1b9e659
If a domain is configured to create a macvtap/macvlan but the target link already exists, startup fails (as expected) with: error: error creating macvtap interface test@eth0 (52:54:00:d9:0b:db): File exists Okay, we could make that error message better, but that's not the point. Since this error originated while generating cmd line (the caller is qemuProcessStart(), transitively), the cleanup after failed start is performed (qemuProcessStop()). Here, virNetDevMacVLanDeleteWithVPortProfile() is called which removes the macvtap interface we did not create (as it made us fail in the first place). Therefore, we need to track which macvtap/macvlan interface was created successfully and remove only those. You'll notice that only qemuProcessStop() has the new check. For the (failed) hotplug case (qemuDomainAttachNetDevice()) this function is already in place (the @iface_connected variable), or not needed (qemuDomainRemoveNetDevice() - we're removing an interface that was already attached to QEMU). Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2166235 Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> |
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==============================
Libvirt API for virtualization
==============================
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
For some of these hypervisors, it provides a stateful management
daemon which runs on the virtualization host allowing access to the
API both by non-privileged local users and remote users.
Layered packages provide bindings of the libvirt C API into other
languages including Python, Perl, PHP, Go, Java, OCaml, as well as
mappings into object systems such as GObject, CIM and SNMP.
Further information about the libvirt project can be found on the
website:
https://libvirt.org
License
=======
The libvirt C API is distributed under the terms of GNU Lesser General
Public License, version 2.1 (or later). Some parts of the code that are
not part of the C library may have the more restrictive GNU General
Public License, version 2.0 (or later). See the files ``COPYING.LESSER``
and ``COPYING`` for full license terms & conditions.
Installation
============
Instructions on building and installing libvirt can be found on the website:
https://libvirt.org/compiling.html
Contributing
============
The libvirt project welcomes contributions in many ways. For most components
the best way to contribute is to send patches to the primary development
mailing list. Further guidance on this can be found on the website:
https://libvirt.org/contribute.html
Contact
=======
The libvirt project has two primary mailing lists:
* libvirt-users@redhat.com (**for user discussions**)
* libvir-list@redhat.com (**for development only**)
Further details on contacting the project are available on the website:
https://libvirt.org/contact.html