clib_memset (tlv->value, 0, tlv->length);
sub_tlv = (user_plane_sub_tlv_t *) tlv->value;
sub_tlv->type = USER_PLANE_SUB_TLV_IE;
clib_memset (tlv->value, 0, tlv->length);
sub_tlv = (user_plane_sub_tlv_t *) tlv->value;
sub_tlv->type = USER_PLANE_SUB_TLV_IE;