Cause

The user installed the recommended 2.5.1 patches. When booting, rootuser.sh presented the following errors:

ifconfig bad address le0
le0 arp - revarp failed no rarp replies
bad address hme0
hme0 auto-revarp failed: no rarp replies received.

System fails to resolve host IP address from /etc/host and no other RARP servers responded to the system's request for its IP address.