如何在 Debian10 下配置 IPv6

Chip Platform Rockchip
1

创建了 /etc/network/interfaces.d/eth0

auto eth0
     allow-hotplug eth0
     iface eth0 inet dhcp
     iface eth0 inet6 dhcp

但是获取不了 ipv6 地址，ifup eth0 提示 “Could not get a link-local address”