Aaron Brady created CLOUDSTACK-9362:
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Summary: 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: 4.8.0, 4.7.1, 4.6.2
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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