static int send_dhcpv6_renew(GDHCPClient *dhcp_client)
{
	return send_dhcpv6_msg(dhcp_client, DHCPV6_RENEW, "renew");
}
static int send_dhcpv6_renew(GDHCPClient *dhcp_client)
{
	return send_dhcpv6_msg(dhcp_client, DHCPV6_RENEW, "renew");
}