Fix ipv6

docker-compose.yml

@@ -271,7 +271,8 @@ services:
       privileged: true
       network_mode: "host"
       volumes:
-      - /var/run/docker.sock:/var/run/docker.sock:ro
+        - /var/run/docker.sock:/var/run/docker.sock:ro
+        - /lib/modules:/lib/modules:ro
 
 networks:
   mailcow-network: