--- heartbeat/IPaddr2.orig	2020-02-07 12:39:35 UTC
+++ heartbeat/IPaddr2
@@ -555,7 +555,7 @@ ip_init() {
 			# 5. Make sure the first octet is odd,
 			#    so the result is a multicast MAC
 			IF_MAC=`echo $OCF_RESKEY_ip $NETMASK $BRDCAST |	\
-				md5sum |				\
+				md5 |				\
 				sed -e 's#\(............\).*#\1#'	\
 				    -e 's#..#&:#g; s#:$##'		\
 				    -e 's#^\(.\)[02468aAcCeE]#\11#'`