_AllocateAndSetAddress
status_t _AllocateAndSetAddress(const sockaddr& from,
return _AllocateAndSetAddress(mask, fRouteEntry.mask);
return _AllocateAndSetAddress(gateway, fRouteEntry.gateway);
return _AllocateAndSetAddress(source, fRouteEntry.source);
return _AllocateAndSetAddress(destination, fRouteEntry.destination);