MFhead r214508:

MFhead r214508:
  Revert a small part of the r198301, that is entirely unrelated to the
  r198301 itself. It also broke the logic of not sending more than one
  ARP request per second, that consequently lead to a potential problem
  of flooding network with broadcast packets.

git-svn-id: svn://svn.freebsd.org/base/stable/8@215791 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f