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https://issues.apache.org/jira/browse/CLOUDSTACK-9362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15253914#comment-15253914
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ASF GitHub Bot commented on CLOUDSTACK-9362:
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Github user kiwiflyer commented on the pull request:
https://github.com/apache/cloudstack/pull/1508#issuecomment-213428079
@insom Thanks for the PR. We'll pull this in for testing as we use vxlan.
As it looks like this bug was introduced in 4.8, I'd suggest you may want
to issue your PR against the 4.8 branch. It can then be forward committed into
master as well.
//cc @dmabry @swill
> 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
>
> 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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