- support compilation on linux - dhcp6relay can listen to multiple interfaces - dhcp6s ignores the received DHCP message unless it comes from the   listening interface
- support compilation on linux
- dhcp6relay can listen to multiple interfaces
- dhcp6s ignores the received DHCP message unless it comes from the
  listening interface

Contributed by: Francis Dupont

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame