1) Reproducer
## You need a machine with SATA HDD (/dev/sda in this case)
# export CURRENT_ID=$(udevadm info -p /sys/class/block/sda | grep "ID_WWN=" | sed -re 's/.*ID_WWN=0x(.+)/\1/')
# export EXPECTED_ID=$(hdparm -I /dev/sda | grep WWN | sed -re 's/.+ Identifier: (.+)/\1/')
# echo "Current ID: $CURRENT_ID | Expected ID: $EXPECTED_ID"
# [[ "$CURRENT_ID" == "$EXPECTED_ID" ]]
# echo $?

2) Output
a) Old package
# echo "Current ID: $CURRENT_ID | Expected ID: $EXPECTED_ID"
Current ID: 289d0c320751500a | Expected ID: 500a07510c32289d
# [[ "$CURRENT_ID" == "$EXPECTED_ID" ]]
# echo $?
1

b) New package
# echo "Current ID: $CURRENT_ID | Expected ID: $EXPECTED_ID"
Current ID: 500a07510c32289d | Expected ID: 500a07510c32289d
# [[ "$CURRENT_ID" == "$EXPECTED_ID" ]]
# echo $?
0

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-0181.html