netdevsim: Ignore IPv6 multipath notifications

In a similar fashion to previous patch, have netdevsim ignore IPv6
multipath notifications for now.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/netdevsim/fib.c

@@ -190,6 +190,13 @@ static int nsim_fib_event_nb(struct notifier_block *nb, unsigned long event,
 
 	case FIB_EVENT_ENTRY_ADD:  /* fall through */
 	case FIB_EVENT_ENTRY_DEL:
+		if (info->family == AF_INET6) {
+			struct fib6_entry_notifier_info *fen6_info = ptr;
+
+			if (fen6_info->multipath_rt)
+				return NOTIFY_DONE;
+		}
+
 		err = nsim_fib_event(data, info,
 				     event == FIB_EVENT_ENTRY_ADD);
 		break;