[  672.939922][ T8704] veth0: entered allmulticast mode
[  672.940278][ T8704] veth1: entered allmulticast mode
[  672.940583][ T8704] veth2: entered allmulticast mode
[  672.940895][ T8704] veth3: entered allmulticast mode
[  684.320126][ T8704] veth0: left allmulticast mode
[  684.320471][ T8704] veth1: left allmulticast mode
[  684.320788][ T8704] veth2: left allmulticast mode
[  684.321082][ T8704] veth3: left allmulticast mode