Commit 57211a06 authored by Beniamino Galvani's avatar Beniamino Galvani

dhcp: systemd: support DHCPv6 prefix delegation

Add support to the internal DHCP client for requesting a prefix and
distributing it to interfaces with 'shared' IPv6 mode.

The systemd-networkd API currently allows to request only a single
prefix and so there will be issues when the number of downstream
interfaces is greater than the number of /64 subnets available in the
returned prefix; but this is still an improvement over the previous
situation when no prefix was requested at all.

#247
parent d7b99066
Pipeline #66737 failed with stages
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