diff -r 13502d0dda65 -r 02653162b03b thermferm/slcd.c
--- a/thermferm/slcd.c	Sat Nov 14 23:40:51 2015 +0100
+++ b/thermferm/slcd.c	Sun Nov 15 21:12:11 2015 +0100
@@ -60,14 +60,18 @@
 	return;
 
     if (sendto(sock, &data, sizeof(uint16_t), 0, (struct sockaddr *)&sendaddr, sizeof(sendaddr)) != sizeof(uint16_t)) {
-	syslog(LOG_NOTICE, "Socket send failed, closing socket: %s", strerror(errno));
+	syslog(LOG_NOTICE, "Socket %d send failed, closing socket: %s", sock, strerror(errno));
 	if (shutdown(sock, SHUT_RDWR)) {
 	    syslog(LOG_NOTICE, "Can't shutdown socket: %s", strerror(errno));
 	}
 	sock = -1;
     } else {
 	if (recvfrom(sock, &rdat, sizeof(uint16_t), 0, (struct sockaddr *) &sendaddr, &slen) != sizeof(uint16_t)) {
-	    syslog(LOG_NOTICE, "Socket recvfrom failed, closing socket: %s", strerror(errno));
+	    syslog(LOG_NOTICE, "Socket %d recvfrom failed, closing socket: %s", sock, strerror(errno));
+	    if (shutdown(sock, SHUT_RDWR)) {
+		syslog(LOG_NOTICE, "Can't shutdown socket: %s", strerror(errno));
+	    }
+	    sock = -1;
 	} else {
 	    if ((rdat & SLCD_MKEYS) == SLCD_KEYS) {
 		if (((rdat & 0x00ff) != keys) && debug)