[netdrvr] sfc: Report XAUI link down at default log level

This is normal when the external link is down so don't report it as an error.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index dbdcee4..55c0d97 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -459,7 +459,7 @@
 		tries--;
 	}
 
-	EFX_ERR(efx, "Failed to bring XAUI link back up in %d tries!\n",
+	EFX_LOG(efx, "Failed to bring XAUI link back up in %d tries!\n",
 		max_tries);
 	return 0;
 }