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OLVM Not Able to Start KVM VirtualMachine After Upgrade "Error Starting Domain: Cannot get interface MAC on 'vnet%d': No such device" (Doc ID 2598443.1)

Last updated on OCTOBER 25, 2020

Applies to:

Linux OS - Version Oracle Linux 7.6 to Oracle Linux 7.7 [Release OL7U6 to OL7U7]
Linux x86-64

Symptoms

After patching kernel of a KVM host. unable to start KVM guests:

From /var/log/libvirt/libvirtd.log we can see:

error : virNetDevSetMAC:157 : Cannot get interface MAC on 'vnet%d': No such device
error : qemuAutostartDomain:297 : Failed to autostart VM 'dewolff_sles-smt': Cannot get interface MAC on 'vnet%d': No such device
error : virNetDevSetMAC:157 : Cannot get interface MAC on 'vnet%d': No such device
error : qemuAutostartDomain:297 : Failed to autostart VM 'dewolff_fetrhel764': Cannot get interface MAC on 'vnet%d': No such device
error : virNetDevSetMAC:157 : Cannot get interface MAC on 'vnet%d': No such device
error : qemuAutostartDomain:297 : Failed to autostart VM 'dewolff_fetrhel664': Cannot get interface MAC on 'vnet%d': No such device
error : virNetDevSetMAC:157 : Cannot get interface MAC on 'vnet%d': No such device
error : virNetDevSetMAC:157 : Cannot get interface MAC on 'vnet%d': No such device
info : libvirt version: 0.10.2, package:64.0.1.el6_10.2 (Unknown, 2019-06-20-07:40:49, x86-ol6-builder-04)
error : virNetDevSetMAC:157 : Cannot get interface MAC on 'vnet%d': No such device
error : qemuAutostartDomain:297 : Failedto autostart VM 'dewolff_fetrhel664': Cannot get interface MAC on 'vnet%d': No such device

Changes

 Hypervisor upgrade performed.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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