That driver is specific to IPS. If you temporarily disable IPS, does it work as expected? Do you have NIC teaming enabled on this box?
What will happen is you'll need to get a case open and provide the dump. They will also need to run some advanced logging as well to start doing root cause analysis.
Additionally, take a look at best practices of IPS on servers to see if your box meets the requirements:
http://www.symantec.com/docs/TECH92440