diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 1db5048..b7d8822 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2165,6 +2165,9 @@
 					dev->name);
 				break;
 			}
+
+			if (idev)
+				idev->if_flags |= IF_READY;
 		} else {
 			if (!netif_carrier_ok(dev)) {
 				/* device is still not ready. */