diff --git a/test/contrib/automotive/doip.uts b/test/contrib/automotive/doip.uts
index 5e8be4a9c9b..146ffd156a8 100644
--- a/test/contrib/automotive/doip.uts
+++ b/test/contrib/automotive/doip.uts
@@ -416,6 +416,7 @@ import tempfile
 = Test DoIPSocket
 
 server_up = threading.Event()
+sniff_up = threading.Event()
 def server():
     buffer = b'\x02\xfd\x80\x02\x00\x00\x00\x05\x00\x00\x00\x00\x00\x02\xfd\x80\x01\x00\x00\x00\n\x10\x10\x0e\x80P\x03\x002\x01\xf4'
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -426,6 +427,7 @@ def server():
         sock.listen(1)
         server_up.set()
         connection, address = sock.accept()
+        sniff_up.wait(timeout=1)
         connection.send(buffer)
         connection.close()
     finally:
@@ -437,7 +439,7 @@ server_thread.start()
 server_up.wait(timeout=1)
 sock = DoIPSocket(activate_routing=False)
 
-pkts = sock.sniff(timeout=1, count=2)
+pkts = sock.sniff(timeout=1, count=2, started_callback=sniff_up.set)
 server_thread.join(timeout=1)
 assert len(pkts) == 2
 
@@ -446,6 +448,7 @@ assert len(pkts) == 2
 ~ linux
 
 server_up = threading.Event()
+sniff_up = threading.Event()
 def server():
     buffer = b'\x02\xfd\x80\x02\x00\x00\x00\x05\x00\x00\x00\x00\x00\x02\xfd\x80\x01\x00\x00\x00\n\x10\x10\x0e\x80P\x03\x002\x01\xf4'
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -456,6 +459,7 @@ def server():
         sock.listen(1)
         server_up.set()
         connection, address = sock.accept()
+        sniff_up.wait(timeout=1)
         for i in range(len(buffer)):
             connection.send(buffer[i:i+1])
             time.sleep(0.01)
@@ -469,13 +473,14 @@ server_thread.start()
 server_up.wait(timeout=1)
 sock = DoIPSocket(activate_routing=False)
 
-pkts = sock.sniff(timeout=1, count=2)
+pkts = sock.sniff(timeout=1, count=2, started_callback=sniff_up.set)
 server_thread.join(timeout=1)
 assert len(pkts) == 2
 
 = Test DoIPSocket 3
 
 server_up = threading.Event()
+sniff_up = threading.Event()
 def server():
     buffer = b'\x02\xfd\x80\x02\x00\x00\x00\x05\x00\x00\x00\x00\x00\x02\xfd\x80\x01\x00\x00\x00\n\x10\x10\x0e\x80P\x03\x002\x01\xf4'
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -486,6 +491,7 @@ def server():
         sock.listen(1)
         server_up.set()
         connection, address = sock.accept()
+        sniff_up.wait(timeout=1)
         while buffer:
             randlen = random.randint(0, len(buffer))
             connection.send(buffer[:randlen])
@@ -501,7 +507,7 @@ server_thread.start()
 server_up.wait(timeout=1)
 sock = DoIPSocket(activate_routing=False)
 
-pkts = sock.sniff(timeout=1, count=2)
+pkts = sock.sniff(timeout=1, count=2, started_callback=sniff_up.set)
 server_thread.join(timeout=1)
 assert len(pkts) == 2
 
@@ -509,6 +515,7 @@ assert len(pkts) == 2
 = Test DoIPSocket6
 
 server_up = threading.Event()
+sniff_up = threading.Event()
 def server():
     buffer = b'\x02\xfd\x80\x02\x00\x00\x00\x05\x00\x00\x00\x00\x00\x02\xfd\x80\x01\x00\x00\x00\n\x10\x10\x0e\x80P\x03\x002\x01\xf4'
     sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
@@ -519,6 +526,7 @@ def server():
         sock.listen(1)
         server_up.set()
         connection, address = sock.accept()
+        sniff_up.wait(timeout=1)
         connection.send(buffer)
         connection.close()
     finally:
@@ -530,7 +538,7 @@ server_thread.start()
 server_up.wait(timeout=1)
 sock = DoIPSocket(ip="::1", activate_routing=False)
 
-pkts = sock.sniff(timeout=1, count=2)
+pkts = sock.sniff(timeout=1, count=2, started_callback=sniff_up.set)
 server_thread.join(timeout=1)
 assert len(pkts) == 2
 
@@ -604,6 +612,7 @@ def _load_certificate_chain(context) -> None:
 
 
 server_up = threading.Event()
+sniff_up = threading.Event()
 def server():
     context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
     _load_certificate_chain(context)
@@ -619,6 +628,7 @@ def server():
         ssock.listen(1)
         server_up.set()
         connection, address = ssock.accept()
+        sniff_up.wait(timeout=1)
         connection.send(buffer)
         connection.close()
     finally:
@@ -633,7 +643,7 @@ context.check_hostname = False
 context.verify_mode = ssl.CERT_NONE
 sock = DoIPSocket(activate_routing=False, force_tls=True, context=context)
 
-pkts = sock.sniff(timeout=1, count=2)
+pkts = sock.sniff(timeout=1, count=2, started_callback=sniff_up.set)
 server_thread.join(timeout=1)
 assert len(pkts) == 2
 
@@ -641,6 +651,7 @@ assert len(pkts) == 2
 ~ broken_windows
 
 server_up = threading.Event()
+sniff_up = threading.Event()
 def server():
     context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
     _load_certificate_chain(context)
@@ -656,6 +667,7 @@ def server():
         ssock.listen(1)
         server_up.set()
         connection, address = ssock.accept()
+        sniff_up.wait(timeout=1)
         connection.send(buffer)
         connection.close()
     finally:
@@ -670,7 +682,7 @@ context.check_hostname = False
 context.verify_mode = ssl.CERT_NONE
 sock = DoIPSocket(ip="::1", activate_routing=False, force_tls=True, context=context)
 
-pkts = sock.sniff(timeout=1, count=2)
+pkts = sock.sniff(timeout=1, count=2, started_callback=sniff_up.set)
 server_thread.join(timeout=1)
 assert len(pkts) == 2
 
@@ -678,6 +690,7 @@ assert len(pkts) == 2
 ~ broken_windows
 
 server_up = threading.Event()
+sniff_up = threading.Event()
 def server():
     context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
     _load_certificate_chain(context)
@@ -693,6 +706,7 @@ def server():
         ssock.listen(1)
         server_up.set()
         connection, address = ssock.accept()
+        sniff_up.wait(timeout=1)
         connection.send(buffer)
         connection.close()
     finally:
@@ -707,7 +721,7 @@ context.check_hostname = False
 context.verify_mode = ssl.CERT_NONE
 sock = UDS_DoIPSocket(ip="::1", activate_routing=False, force_tls=True, context=context)
 
-pkts = sock.sniff(timeout=1, count=2)
+pkts = sock.sniff(timeout=1, count=2, started_callback=sniff_up.set)
 server_thread.join(timeout=1)
 assert len(pkts) == 2
 
@@ -716,6 +730,7 @@ assert len(pkts) == 2
 
 server_tcp_up = threading.Event()
 server_tls_up = threading.Event()
+sniff_up = threading.Event()
 def server_tls():
     context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
     _load_certificate_chain(context)
@@ -732,6 +747,7 @@ def server_tls():
         ssock.listen(1)
         server_tls_up.set()
         connection, address = ssock.accept()
+        sniff_up.wait(timeout=1)
         connection.send(buffer)
         connection.close()
     finally:
@@ -767,7 +783,7 @@ context.verify_mode = ssl.CERT_NONE
 
 sock = UDS_DoIPSocket(ip="::1", context=context)
 
-pkts = sock.sniff(timeout=1, count=2)
+pkts = sock.sniff(timeout=1, count=2, started_callback=sniff_up.set)
 server_tcp_thread.join(timeout=1)
 server_tls_thread.join(timeout=1)
 assert len(pkts) == 2