MFC r269306:   Add new rule to source address selection algorithm. It prefers address   with better virtual status. Use ifa_preferred() to choose better address.
MFC r269306:
  Add new rule to source address selection algorithm. It prefers address
  with better virtual status. Use ifa_preferred() to choose better address.

PR:		187341

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase