sstrncpy (vl.plugin, "serial", sizeof (vl.plugin));
sstrncpy (vl.type, "serial_octets", sizeof (vl.type));
sstrncpy (vl.type_instance, type_instance,
sstrncpy (vl.plugin, "serial", sizeof (vl.plugin));
sstrncpy (vl.type, "serial_octets", sizeof (vl.type));
sstrncpy (vl.type_instance, type_instance,