PeterS-gd opened a new issue #5717:
URL: https://github.com/apache/cloudstack/issues/5717
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##### ISSUE TYPE
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* Bug Report
##### COMPONENT NAME
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VR, VM
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##### CLOUDSTACK VERSION
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branch.
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4.15.2
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##### CONFIGURATION
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Information about the configuration if relevant, e.g. basic network,
advanced networking, etc. N/A otherwise
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Advanced Networking
##### OS / ENVIRONMENT
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Information about the environment if relevant, N/A otherwise
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Ubuntu 20.04, KVM hypervisor
##### SUMMARY
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I am unable to live migrate any of my VMs.
This issue seems relevant
(https://issues.apache.org/jira/browse/CLOUDSTACK-7743), but there is no
solution listed.
Original email thread:
https://lists.apache.org/thread/9yjz248tk0l7y8w4rvzp0r0s3bx8tv8z
##### STEPS TO REPRODUCE
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test-case. Use Screenshots if accurate.
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Create a shared or isolated network and then try to migrate a VM instance
from one host to another.
Interfaces and brctl output:
https://gist.github.com/PeterS-gd/fc97d165ef46e4b9b4026f6450a9dd54
Host1 agent log (source of migration):
https://gist.github.com/PeterS-gd/221ad3affeb77da0828323ca2c2ae119
Host2 agent log (destination of migration):
https://gist.github.com/PeterS-gd/d250c240f63538a6bd541b7870dffe0d
Here are the agents' properties:
https://gist.github.com/PeterS-gd/230c6e2b843901b71feb54c39270a4a8
Traffic labels:
Management: cloudbr1
Guest: cloudbr0
Public: cloudbr0
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##### EXPECTED RESULTS
<!-- What did you expect to happen when running the steps above? -->
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That the VM would live migrate
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##### ACTUAL RESULTS
<!-- What actually happened? -->
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Exception during migrate: org.libvirt.LibvirtException: Cannot get interface
MTU on 'brenp3s0f0-3128': No such device
~~~
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