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/ubcom-monitor.sh line 6:
while [ 1 = 1 ]; do
          ^-- SC2050 (warning): This expression is constant. Did you forget the $ on a variable?


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/ubcom-monitor.sh line 7:
	UBCOM=`xmldbc -W /device/qos/autobandwidth`
              ^-- SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

Did you mean:
	UBCOM=$(xmldbc -W /device/qos/autobandwidth)


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/ubcom-monitor.sh line 9:
		BU=`xmldbc -W /runtime/device/qos/bwup`
                   ^-- SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

Did you mean:
		BU=$(xmldbc -W /runtime/device/qos/bwup)

For more information:
  https://www.shellcheck.net/wiki/SC2050 -- This expression is constant. Did ...
  https://www.shellcheck.net/wiki/SC2006 -- Use $(...) notation instead of le...

[*] Source file ubcom-monitor.sh