Honour the parent interfaces peerdns option when spawning a virtual DHCPv6
interface in order to avoid pulling in IPv6 DNS servers when the user opted
to inhibit peer DNS servers in the configuration.
Fixes#597.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
as we do for IPv4 PPP interfaces. When we create the
dynamic IPv6 interface we should inherit ip6table from
main interface.
Signed-off-by: Ulrich Weber <ulrich.weber@riverbed.com>