Capture links/route table/neighbor table/nftables contents for v4/v6#125
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Capture links/route table/neighbor table/nftables contents for v4/v6#125
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These are all pretty trivial to capture with native Rust libraries so we don't need to rely on host tooling or binaries.
Capture links/route table/neighbor table/nftables rules on the node, for preinstall and postinstall.
Probably for the host netns specifically, all we really care about are the ambient nftables rules in most cases, but we might as well grab the others since it's cheap.