In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/mdnsd.sh line 42:

		kill -TERM `cat /var/run/mdnsd.pid`

                ^-- SC2317 (info): Command appears to be unreachable. Check usage (or ignore if invoked indirectly).

                           ^----------------------^ SC2046 (warning): Quote this to prevent word splitting.

                           ^----------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

                            ^--------------------^ SC2317 (info): Command appears to be unreachable. Check usage (or ignore if invoked indirectly).

Did you mean: 

		kill -TERM $(cat /var/run/mdnsd.pid)

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/mdnsd.sh line 50:

	echo -n "Starting Apple Darwin Multicast DNS / DNS Service Discovery daemon:"

             ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/mdnsd.sh line 51:

	echo -n " mdnsd"

             ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/mdnsd.sh line 56:

        echo -n "Stopping Apple Darwin Multicast DNS / DNS Service Discovery daemon:"

             ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/mdnsd.sh line 57:

        echo -n " mdnsd" ; $STOP $DAEMON

             ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/mdnsd.sh line 61:

		echo -n "Restarting Apple Darwin Multicast DNS / DNS Service Discovery daemon:"

                     ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/mdnsd.sh line 65:

		echo -n " mdnsd"

                     ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.

For more information:

  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...

  https://www.shellcheck.net/wiki/SC3037 -- In POSIX sh, echo flags are undef...

  https://www.shellcheck.net/wiki/SC2317 -- Command appears to be unreachable...