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Windows: felix config natExclusions for host net #10357

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Description

Due to the addition of the Felix config natOutgoingExclusions, I need to adapt it on Windows. Since the IPIP mode cannot be used on Windows, and it is also impossible to query ipset (both are features of Linux), the implementation IPPoolsAndHostIPs of the config natOutgoingExclusions on Windows is just to exclude the subnet of the HNS management network.

This PR is enough for Windows. BTW, the BPF mode also needs to adapt to this config #8961 (comment). The current implementation excludes the local host directly, an additional enum config such as IPPoolsAndLocalHost may be needed. @tomastigera

Related issues/PRs

follow-up #8961, this fixes Windows part of #8960

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  • Tests
  • Documentation
  • Release note

Release Note

TBD

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@wayne-cheng wayne-cheng requested a review from a team as a code owner May 6, 2025 12:06
@marvin-tigera marvin-tigera added this to the Calico v3.31.0 milestone May 6, 2025
@marvin-tigera marvin-tigera added release-note-required Change has user-facing impact (no matter how small) docs-pr-required Change is not yet documented labels May 6, 2025
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