DHCP6_DUID_EN     206 src/libsystemd-network/sd-dhcp6-client.c         case DHCP6_DUID_EN:
DHCP6_DUID_EN    1221 src/libsystemd-network/sd-dhcp6-client.c         client->duid.en.type = htobe16(DHCP6_DUID_EN);