fix: docker-in-docker on Ubuntu 26.04 — verify iptables-legacy works before switching#1637

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copilot/fix-docker-in-docker-ubuntu-26-04

Commits on May 5, 2026

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fix: support Ubuntu 26.04 (plucky) by checking iptables-legacy works before switching, falling back to iptables-nft

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Kaniska244
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fix: also verify iptables-nft works before switching to it

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Kaniska244
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fix: use correct Ubuntu 26.04 codename 'resolute' instead of 'plucky'

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chore: bump docker-in-docker feature version to 2.17.0

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test: set moby: false for resolute test scenario

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docs: note Ubuntu Resolute exceptional behavior in NOTES.md

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Commits on May 6, 2026

Merge branch 'main' into copilot/fix-docker-in-docker-ubuntu-26-04
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