In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 24:

TARGETS=$confgen_targets

        ^--------------^ SC2154 (warning): confgen_targets is referenced but not assigned.

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 25:

TARGET_PARAMS=$confgen_parameters

              ^-----------------^ SC2154 (warning): confgen_parameters is referenced but not assigned.

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 27:

target_cnt=$(echo $TARGETS | wc -w)

                  ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

target_cnt=$(echo "$TARGETS" | wc -w)

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 35:

    echo -n '    "'

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

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 36:

    echo -n $target_id

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

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 37:

    echo -n '" == "$(% ${R_MSEC} '

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

            ^--------------------^ SC2016 (info): Expressions don't expand in single quotes, use double quotes for that.

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 38:

    echo -n $target_cnt

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

            ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

    echo -n "$target_cnt"

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 42:

    echo -n '      network("'

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

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 43:

    echo -n $target

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

            ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

    echo -n "$target"

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 44:

    echo -n '" '

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

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/share/syslog-ng/include/scl/loadbalancer/gen-loadbalancer.sh line 45:

    echo -n $TARGET_PARAMS

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

            ^------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

    echo -n "$TARGET_PARAMS"

For more information:

  https://www.shellcheck.net/wiki/SC2154 -- confgen_parameters is referenced ...

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

  https://www.shellcheck.net/wiki/SC2016 -- Expressions don't expand in singl...