+# Use the src of the default route as the default local IP
+DEF_SRC_IP=$(ip route get 8.8.8.8 | awk '{ for (nn=1;nn<=NF;nn++) if ($nn~"src") print $(nn+1) }')
+MGMT_IP=${1:-${DEF_SRC_IP}}
+MGMT_HOST=$(nslookup $MGMT_IP | grep "in-addr.arpa" | cut -d " " -f 3 | awk '{ print substr( $0, 1, length($0)-1 ) }') || true
+#MGMT_HOST=$(nslookup $MGMT_IP | grep "in-addr.arpa" | cut -d " " -f 3 | sed 's/.$//') || true
+echo $MGMT_HOST
+