---
 src/twisted/test/test_udp.py |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: twisted-25.5.0/src/twisted/test/test_udp.py
===================================================================
--- twisted-25.5.0.orig/src/twisted/test/test_udp.py
+++ twisted-25.5.0/src/twisted/test/test_udp.py
@@ -22,7 +22,7 @@ from socket import (
     inet_pton,
     socket,
 )
-from unittest import skipIf
+from unittest import skipIf, SkipTest
 
 from twisted.internet import defer, error, interfaces, protocol, reactor, udp
 from twisted.internet.address import IPv4Address, IPv6Address
@@ -638,6 +638,7 @@ class MulticastTests(TestCase):
     wrongAddressFamily: str = "::1"
 
     def setUp(self):
+        raise SkipTest("Multicast networking doesn't work with OBS")
         self.server = Server()
         self.client = Client()
         # multicast won't work if we listen over loopback, apparently