rtnetlink: Do not generate notifications for NETDEV_CHANGEUPPER event

NETDEV_CHANGEUPPER is an internal event; do not generate userspace
notifications.
Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/core/rtnetlink.c

@@ -4121,7 +4121,6 @@ static int rtnetlink_event(struct notifier_block *this, unsigned long event, voi
 	case NETDEV_FEAT_CHANGE:
 	case NETDEV_BONDING_FAILOVER:
 	case NETDEV_NOTIFY_PEERS:
-	case NETDEV_CHANGEUPPER:
 	case NETDEV_RESEND_IGMP:
 	case NETDEV_CHANGEINFODATA:
 	case NETDEV_CHANGE_TX_QUEUE_LEN: