memset (&lcl_pref, 0, sizeof (lcl_pref));
ip_copy (&lcl_pref.fp_addr, &tc->lcl_ip, is_ip4);
lcl_pref.fp_len = is_ip4 ? 32 : 128;
memset (&lcl_pref, 0, sizeof (lcl_pref));
ip_copy (&lcl_pref.fp_addr, &tc->lcl_ip, is_ip4);
lcl_pref.fp_len = is_ip4 ? 32 : 128;