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Issue: Support custom net.Listener for multi‑interface and dual‑stack listening

Issue: Support custom net.Listener for multi‑interface and dual‑stack listening: a task in LegoFlow-SWE (Harbor dataset). Problem A go-micro service can listen on only one network address at a time. This makes it impossible to bind to multiple interfaces (e.g., separate IPv4 and IPv6 interfaces)…

The task

**Problem** A `go-micro` service can listen on only one network address at a time. This makes it impossible to bind to multiple interfaces (e.g., separate IPv4 and IPv6 interfaces) on the same host. When a node has two network cards representing different networks, users cannot instruct the service to listen on both…

Part of Lego-X/LegoFlow-SWE.