Implement network manager simulator lifecycle (#53)

tools/generate_rust_mapping.py

@@ -971,7 +971,10 @@ def validate_generated_shims() -> None:
         if default_types - {"UUID"}:
             raise ValueError(f"generated shim derives a plausible Default: {path.relative_to(ROOT)}")
         for body in function_bodies(text):
-            if "native client-core implementation" in body:
+            if (
+                "native client-core implementation" in body
+                or "native network implementation" in body
+            ):
                 continue
             if FAKE_BODY.search(body):
                 raise ValueError(f"generated shim returns a plausible fallback: {path.relative_to(ROOT)}")