+ const char *name);
+void vconn_set_remote_ip(struct vconn *, uint32_t remote_ip);
+void vconn_set_remote_port(struct vconn *, uint16_t remote_port);
+void vconn_set_local_ip(struct vconn *, uint32_t local_ip);
+void vconn_set_local_port(struct vconn *, uint16_t local_port);