We should not work with lo by default.

1 files changed, 1 insertions, 2 deletions

diff --git a/if-linux.c b/if-linux.c
index d3bb88e8..a2ecda36 100644
--- a/if-linux.c
+++ b/if-linux.c
@@ -563,8 +563,7 @@ discover_interfaces(int argc, char * const *argv)
 			if ((ifp = init_interface(p))) {
 				/* Don't allow loopback unless explicit */
 				if (ifp->flags & IFF_LOOPBACK &&
-				    argc == 0 &&
-				    ifdc == 0)
+				    (argc != 0 || ifdc != 0))
 				{
 					free_interface(ifp);
 					continue;