DHCPV6_MSG_RELEASE
if (d6m->d6m_msg_type == DHCPV6_MSG_RELEASE ||
dpkt = init_pkt(dsmp, DHCPV6_MSG_RELEASE);
case DHCPV6_MSG_RELEASE:
mtype != DHCPV6_MSG_RELEASE)
if (mtype == DHCPV6_MSG_RELEASE) {