extern u8 *format_ipsec_tun_protect (u8 * s, va_list * args);
extern u8 *format_ipsec_tun_protect_index (u8 * s, va_list * args);
extern u8 *format_ipsec_tun_protect (u8 * s, va_list * args);
extern u8 *format_ipsec_tun_protect_index (u8 * s, va_list * args);
// FIXME
extern vlib_node_registration_t ipsec4_tun_input_node;
extern vlib_node_registration_t ipsec6_tun_input_node;
// FIXME
extern vlib_node_registration_t ipsec4_tun_input_node;
extern vlib_node_registration_t ipsec6_tun_input_node;