+#if defined TIZEN_EXT
+ /**
+ When privacy extension is enabled then connman requests
+ OPTION_IA_TA (4) from DHCPv6 server. This option is used to request
+ temporary IPv6 address from DHCPv6 server but we found that DHCPv6
+ server never provided temporary IPv6 address and connman resend dhcpv6
+ requests. So always set OPTION_IA_NA in dhcpv6 request to get IPv6
+ address from DHCPv6 server.
+ */
+ dhcp->use_ta = FALSE;
+#else