Maybe it will work now?

src/inet.c

@@ -1109,8 +1109,6 @@ inet_sendto(int s, const void *msg, size_t len, int flags,
 			const struct sockaddr * to, socklen_t tolen)
 {
 	ssize_t err;
-	char *ipv4_addr;
-        size_t maxlen;
 	if ((err = sendto(s, msg, len, flags, to, tolen)) == -1) {
 		switch (errno) {
 		case EMSGSIZE:
@@ -1120,11 +1118,9 @@ inet_sendto(int s, const void *msg, size_t len, int flags,
 			break;
 		case EFAULT:
 			error("To Family is: %hu "
-                                "To Data is: %s "
+                                "To Data is: %%pNP "
                                 "and: %s", to->sa_family, 
-                                inet_ntop(to->sa_family,
-                                &(((struct sockaddr_in*)to)->sin_addr),
-                                ipv4_addr, maxlen),
+                                to->sa_data,
                                 strerror(errno));
 		default:
 			error("inet_sendto: Cannot send(): %s", strerror(errno));