diff --git a/include/tests_networking b/include/tests_networking
index ddb846d2..49b5b45d 100644
--- a/include/tests_networking
+++ b/include/tests_networking
@@ -266,6 +266,10 @@
             Linux)
                 if [ ! -z "${IFCONFIGBINARY}" ]; then
                     FIND=$(${IFCONFIGBINARY} -a 2> /dev/null | ${GREPBINARY} "HWaddr" | ${AWKBINARY} '{ if ($4=="HWaddr") print $5 }' | ${SORTBINARY} -u)
+                    # CentOS 7.x and others may return nothing. Let's retry with 'ether' field.
+                    if [ -z "${FIND}" ]; then
+                        FIND=$(${IFCONFIGBINARY} -a 2> /dev/null | ${AWKBINARY} '{ if ($1=="ether") print $2 }' | ${SORTBINARY} -u)
+                    fi
                 else
                     if [ ! -z "${IPBINARY}" ]; then
                         LogText "Test: Using ip binary to gather hardware addresses"