We traced the problem you reported to bug 348245. There is no workaround. However, the messages do not impact the filer; they just fill the message log. According to the bug report, the problem is corrected in ONTAP 7.3.3P3.
The problem description is below.
This message will be displayed when a client comes with a file handle which no longer exists or the path related to the handle has been unexported. Because of a bug in Data ONTAP, 0.0.0.0 is displayed
You can stop the console messages using this procedure :
Create the etc/syslog.conf file
Add in the following entry:
This will sent all syslog events to the /etc/messages
By default,the syslog daemon reads the file every 30 seconds. To force the reread, type syslog reset_syslog