diff --git a/net/core/dev.c b/net/core/dev.c
index 7307a0c15c9f029e6d9d87164166c5b1e8f53290..ad1e6482e1c15c9543cccf97b7c99c37b0637dd4 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -8391,6 +8391,8 @@ static int __dev_set_allmulti(struct net_device *dev, int inc, bool notify)
 		}
 	}
 	if (dev->flags ^ old_flags) {
+		netdev_info(dev, "%s allmulticast mode\n",
+			    dev->flags & IFF_ALLMULTI ? "entered" : "left");
 		dev_change_rx_flags(dev, IFF_ALLMULTI);
 		dev_set_rx_mode(dev);
 		if (notify)