Bonjour: ignore ciao cancellation rejections

src/infra/bonjour.ts

@@ -2,6 +2,7 @@ import os from "node:os";
 
 import { logDebug, logWarn } from "../logger.js";
 import { getLogger } from "../logging.js";
+import { registerUnhandledRejectionHandler } from "./unhandled-rejections.js";
 
 export type GatewayBonjourAdvertiser = {
   stop: () => Promise<void>;
@@ -143,6 +144,22 @@ export async function startGatewayBonjourAdvertiser(
     });
   }
 
+  let ciaoCancellationRejectionHandler: (() => void) | undefined;
+  if (services.length > 0) {
+    ciaoCancellationRejectionHandler = registerUnhandledRejectionHandler(
+      (reason) => {
+        const message = formatBonjourError(reason).toUpperCase();
+        if (!message.includes("CIAO ANNOUNCEMENT CANCELLED")) {
+          return false;
+        }
+        logDebug(
+          `bonjour: ignoring unhandled ciao rejection: ${formatBonjourError(reason)}`,
+        );
+        return true;
+      },
+    );
+  }
+
   logDebug(
     `bonjour: starting (hostname=${hostname}, instance=${JSON.stringify(
       safeServiceName(instanceName),
@@ -250,6 +267,7 @@ export async function startGatewayBonjourAdvertiser(
           /* ignore */
         }
       }
+      ciaoCancellationRejectionHandler?.();
       try {
         await responder.shutdown();
       } catch {