--- fixes: - | `Bug 1851545 `_, wherein unshelving an instance with SRIOV Neutron ports did not update the port binding's ``pci_slot`` and could cause libvirt PCI conflicts, has been fixed. .. important:: Constraints in the fix's implementation mean that it only applies to instances booted **after** it has been applied. Existing instances will still experience bug 1851545 after being shelved and unshelved, even with the fix applied.