UDP duplicate packets

[ashvindeodhar]

In AKS cluster, duplicate UDP packets are seen when the UDP request is made by a VM to the public lb ip exposed by the AKS load balancer. This may be due to the hairpin created on host interface.

Is this a request for help?:

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Is this an ISSUE or FEATURE REQUEST? (choose one):

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Which release version?:

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Which component (CNI/IPAM/CNM/CNS):

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Which Operating System (Linux/Windows):

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For Linux: Include Distro and kernel version using "uname -a"

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For windows: provide output of "$(Get-ItemProperty -Path "C:\windows\system32\hal.dll").VersionInfo.FileVersion"

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Which Orchestrator and version (e.g. Kubernetes, Docker)

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What happened:

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What you expected to happen:

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How to reproduce it (as minimally and precisely as possible):

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Anything else we need to know:

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[ashvindeodhar]

This is seen on linux cluster