In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/nfshost.sh line 4:

	echo $0 host [prefix] [mntPoint]

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

                              ^--------^ SC2102 (info): Ranges can only match single chars (mentioned due to duplicates).

Did you mean: 

	echo "$0" host [prefix] [mntPoint]

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/nfshost.sh line 17:

ount -o nolock $host:$prefix $mntPoint

                ^---^ 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.

Did you mean: 

mount -o nolock "$host":"$prefix" "$mntPoint"

For more information:

  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...

  https://www.shellcheck.net/wiki/SC2102 -- Ranges can only match single char...