diff --git a/extensions/bonjour/src/ciao.test.ts b/extensions/bonjour/src/ciao.test.ts
index 6d40787331c..dacd7d7a1f0 100644
--- a/extensions/bonjour/src/ciao.test.ts
+++ b/extensions/bonjour/src/ciao.test.ts
@@ -48,6 +48,34 @@ describe("bonjour-ciao", () => {
     expect(ignoreCiaoUnhandledRejection(new Error("CIAO PROBING CANCELLED"))).toBe(true);
   });
 
+  it("suppresses wrapped ciao cancellation rejections", () => {
+    expect(
+      classifyCiaoUnhandledRejection({
+        reason: new Error("CIAO ANNOUNCEMENT CANCELLED"),
+      }),
+    ).toEqual({
+      kind: "cancellation",
+      formatted: "CIAO ANNOUNCEMENT CANCELLED",
+    });
+  });
+
+  it("suppresses aggregate ciao assertion rejections", () => {
+    expect(
+      classifyCiaoUnhandledRejection(
+        new AggregateError([
+          Object.assign(
+            new Error("Reached illegal state! IPV4 address change from defined to undefined!"),
+            { name: "AssertionError" },
+          ),
+        ]),
+      ),
+    ).toEqual({
+      kind: "interface-assertion",
+      formatted:
+        "AssertionError: Reached illegal state! IPV4 address change from defined to undefined!",
+    });
+  });
+
   it("suppresses lower-case string cancellation reasons too", () => {
     expect(ignoreCiaoUnhandledRejection("ciao announcement cancelled during cleanup")).toBe(true);
   });
diff --git a/extensions/bonjour/src/ciao.ts b/extensions/bonjour/src/ciao.ts
index d8a9a4a5c0c..7f129c968b5 100644
--- a/extensions/bonjour/src/ciao.ts
+++ b/extensions/bonjour/src/ciao.ts
@@ -11,17 +11,59 @@ export type CiaoProcessErrorClassification =
   | { kind: "interface-assertion"; formatted: string }
   | { kind: "netmask-assertion"; formatted: string };
 
+function collectCiaoProcessErrorCandidates(reason: unknown): unknown[] {
+  const queue: unknown[] = [reason];
+  const seen = new Set<unknown>();
+  const candidates: unknown[] = [];
+
+  while (queue.length > 0) {
+    const current = queue.shift();
+    if (current == null || seen.has(current)) {
+      continue;
+    }
+    seen.add(current);
+    candidates.push(current);
+
+    if (!current || typeof current !== "object") {
+      continue;
+    }
+    const record = current as Record<string, unknown>;
+    for (const nested of [
+      record.cause,
+      record.reason,
+      record.original,
+      record.error,
+      record.data,
+    ]) {
+      if (nested != null && !seen.has(nested)) {
+        queue.push(nested);
+      }
+    }
+    if (Array.isArray(record.errors)) {
+      for (const nested of record.errors) {
+        if (nested != null && !seen.has(nested)) {
+          queue.push(nested);
+        }
+      }
+    }
+  }
+
+  return candidates;
+}
+
 export function classifyCiaoProcessError(reason: unknown): CiaoProcessErrorClassification | null {
-  const formatted = formatBonjourError(reason);
-  const message = formatted.toUpperCase();
-  if (CIAO_CANCELLATION_MESSAGE_RE.test(message)) {
-    return { kind: "cancellation", formatted };
-  }
-  if (CIAO_INTERFACE_ASSERTION_MESSAGE_RE.test(message)) {
-    return { kind: "interface-assertion", formatted };
-  }
-  if (CIAO_NETMASK_ASSERTION_MESSAGE_RE.test(message)) {
-    return { kind: "netmask-assertion", formatted };
+  for (const candidate of collectCiaoProcessErrorCandidates(reason)) {
+    const formatted = formatBonjourError(candidate);
+    const message = formatted.toUpperCase();
+    if (CIAO_CANCELLATION_MESSAGE_RE.test(message)) {
+      return { kind: "cancellation", formatted };
+    }
+    if (CIAO_INTERFACE_ASSERTION_MESSAGE_RE.test(message)) {
+      return { kind: "interface-assertion", formatted };
+    }
+    if (CIAO_NETMASK_ASSERTION_MESSAGE_RE.test(message)) {
+      return { kind: "netmask-assertion", formatted };
+    }
   }
   return null;
 }
diff --git a/src/infra/unhandled-rejections.fatal-detection.test.ts b/src/infra/unhandled-rejections.fatal-detection.test.ts
index a868487bf5d..f010dfbbd52 100644
--- a/src/infra/unhandled-rejections.fatal-detection.test.ts
+++ b/src/infra/unhandled-rejections.fatal-detection.test.ts
@@ -196,32 +196,6 @@ describe("installUnhandledRejectionHandler - fatal detection", () => {
       );
     });
 
-    it("does not exit on known Bonjour advertiser failures", () => {
-      const bonjourCases: unknown[] = [
-        new Error("CIAO ANNOUNCEMENT CANCELLED"),
-        new Error("CIAO PROBING CANCELLED"),
-        Object.assign(
-          new Error("Reached illegal state! IPV4 address change from defined to undefined!"),
-          { name: "AssertionError" },
-        ),
-        Object.assign(
-          new Error(
-            "IP address version must match. Netmask cannot have a version different from the address!",
-          ),
-          { name: "AssertionError" },
-        ),
-      ];
-
-      for (const bonjourErr of bonjourCases) {
-        expectExitCodeFromUnhandled(bonjourErr, []);
-      }
-
-      expect(consoleWarnSpy).toHaveBeenCalledWith(
-        "[openclaw] Non-fatal unhandled rejection (continuing):",
-        expect.stringContaining("CIAO ANNOUNCEMENT CANCELLED"),
-      );
-    });
-
     it("exits on generic errors without code", () => {
       const genericErr = new Error("Something went wrong");
 
diff --git a/src/infra/unhandled-rejections.ts b/src/infra/unhandled-rejections.ts
index 6d9e569d190..219fda7a10f 100644
--- a/src/infra/unhandled-rejections.ts
+++ b/src/infra/unhandled-rejections.ts
@@ -116,12 +116,6 @@ const TRANSIENT_SQLITE_MESSAGE_SNIPPETS = [
   "disk i/o error",
 ];
 
-const CIAO_CANCELLATION_MESSAGE_RE = /^CIAO (?:ANNOUNCEMENT|PROBING) CANCELLED\b/u;
-const CIAO_INTERFACE_ASSERTION_MESSAGE_RE =
-  /REACHED ILLEGAL STATE!?\s+IPV4 ADDRESS CHANGE FROM (?:DEFINED TO UNDEFINED|UNDEFINED TO DEFINED)!?/u;
-const CIAO_NETMASK_ASSERTION_MESSAGE_RE =
-  /IP ADDRESS VERSION MUST MATCH\.\s+NETMASK CANNOT HAVE A VERSION DIFFERENT FROM THE ADDRESS!?/u;
-
 function hasSqliteSignal(err: unknown): boolean {
   if (!err || typeof err !== "object") {
     return false;
@@ -341,46 +335,8 @@ export function isTransientSqliteError(err: unknown): boolean {
   return false;
 }
 
-export function isNonFatalBonjourAdvertiserError(err: unknown): boolean {
-  if (!err) {
-    return false;
-  }
-
-  for (const candidate of collectNestedUnhandledErrorCandidates(err)) {
-    const rawMessage =
-      candidate && typeof candidate === "object"
-        ? (candidate as { message?: unknown }).message
-        : undefined;
-    const message =
-      typeof candidate === "string"
-        ? candidate
-        : candidate && typeof candidate === "object"
-          ? typeof rawMessage === "string"
-            ? rawMessage
-            : ""
-          : "";
-    const normalized = message.trim().toUpperCase();
-    if (!normalized) {
-      continue;
-    }
-    if (
-      CIAO_CANCELLATION_MESSAGE_RE.test(normalized) ||
-      CIAO_INTERFACE_ASSERTION_MESSAGE_RE.test(normalized) ||
-      CIAO_NETMASK_ASSERTION_MESSAGE_RE.test(normalized)
-    ) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
 export function isTransientUnhandledRejectionError(err: unknown): boolean {
-  return (
-    isTransientNetworkError(err) ||
-    isTransientSqliteError(err) ||
-    isNonFatalBonjourAdvertiserError(err)
-  );
+  return isTransientNetworkError(err) || isTransientSqliteError(err);
 }
 
 export function registerUnhandledRejectionHandler(handler: UnhandledRejectionHandler): () => void {