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https://issues.apache.org/jira/browse/CLOUDSTACK-9362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Will Stevens resolved CLOUDSTACK-9362.
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Resolution: Fixed
Fix Version/s: 4.9.0
> Migrating a VM using VXLANs and bridges fails
> ---------------------------------------------
>
> Key: CLOUDSTACK-9362
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9362
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: KVM
> Affects Versions: 4.6.2, 4.7.1, 4.8.0
> Environment: Using KVM with VXLANs in Linux bridge devices (not
> OpenVSwitch)
> Reporter: Aaron Brady
> Fix For: 4.9.0
>
>
> https://github.com/apache/cloudstack/commit/bb8f7c652e42caacff5adce1ce60342603677605
> The above commit introduces rewriting of bridge device names when migrating a
> virtual machine from one host to another. However, it also matches bridges
> called "brvx-1234" and rewrites them to (in my case) "brem1-1234" - this
> doesn't match the bridge name on the destination and causes the migration to
> fail with the error:
> error : virNetDevGetMTU:397 : Cannot get interface MTU on 'brem1-1234': No
> such device
> I have flagged this as major because it's not possible to migrate VMs using
> VXLANs for maintenance, which seems important (it's certainly important to
> me!).
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