dhcpv4: allow client-ids up to 255 bytes length
client identifiers were truncated to 133 bytes which is an arbitrary number first chosen by systemd's DHCP implementation, the actual maximum length for the option is 255 bytes.
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client identifiers were truncated to 133 bytes which is an arbitrary number first chosen by systemd's DHCP implementation, the actual maximum length for the option is 255 bytes.