In /logs/firmware/unblob_extracted/firmware_extract/DIR-600_fw_revb5_214b01_ALL_de_20130122/dir600b_v2.14_d1mg.bin_extract/1179788-3612812.squashfs_v4_le_extract/etc/scripts/ddnsd_helper.sh line 4:
echo [$0]: $1 $2 $3 (do nothing)... > /dev/console
      ^-- SC2086 (info): Double quote to prevent globbing and word splitting.
           ^-- SC2086 (info): Double quote to prevent globbing and word splitting.
              ^-- SC2086 (info): Double quote to prevent globbing and word splitting.
                 ^-- SC2086 (info): Double quote to prevent globbing and word splitting.
                    ^-- SC1036 (error): '(' is invalid here. Did you forget to escape it?
                    ^-- SC1088 (error): Parsing stopped here. Invalid use of parentheses?

Did you mean:
echo ["$0"]: "$1" "$2" "$3" (do nothing)... > /dev/console

For more information:
  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...
  https://www.shellcheck.net/wiki/SC1036 -- '(' is invalid here. Did you forg...
  https://www.shellcheck.net/wiki/SC1088 -- Parsing stopped here. Invalid use...

[*] Source file ddnsd_helper.sh