SUNRPC: Handle ENETDOWN errors

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index c2b2d48..7fa94ab 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2439,6 +2439,7 @@ static void xs_tcp_setup_socket(struct work_struct *work)
 		 */
 	case -ECONNREFUSED:
 	case -ECONNRESET:
+	case -ENETDOWN:
 	case -ENETUNREACH:
 	case -EHOSTUNREACH:
 	case -EADDRINUSE: