                $0 =~ "MAC address 0" && $0 =~ "MAC address 0" &&                $0 =~ "MAC address 0" && $0 =~ "MAC address 0" &&                $0 =~ "MAC address 0" && $0 =~ "MAC address 0" &&                $0 =~ "MAC address 0" ]]; then              parse_ec=0          else              parse_ec=0          fi           ;;     *"