Add comprehensive logging to configuration management and network operations
across all supported platforms to improve visibility into system setup and
network configuration processes.
Key improvements:
- Configuration initialization and validation logging
- CLI flag processing visibility (listen, log, cache flags)
- IP allocation/deallocation tracking across platforms
- DNS configuration operations logging (Linux, macOS, FreeBSD)
- Upstream bootstrap and fallback operation tracking
- Listener configuration initialization logging
This provides complete visibility into configuration management and network
setup operations, helping identify configuration issues and network setup
problems across different platforms.
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