gtp-rtnl: remove debugging message that print netlink message
diff --git a/src/gtp-rtnl.c b/src/gtp-rtnl.c
index 519cacb..ca5b419 100644
--- a/src/gtp-rtnl.c
+++ b/src/gtp-rtnl.c
@@ -45,9 +45,6 @@
 		goto err;
 	}
 
-	mnl_nlmsg_fprintf(stdout, nlh, nlh->nlmsg_len,
-			  sizeof(struct ifinfomsg));
-
 	if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
 		perror("mnl_socket_send");
 		goto err;