batch_header = evel_new_batch("batch_event_name", "bevent_id");
evel_batch_add_event(batch_header, vpp_m_header);
evel_rc = evel_post_event(batch_header);
batch_header = evel_new_batch("batch_event_name", "bevent_id");
evel_batch_add_event(batch_header, vpp_m_header);
evel_rc = evel_post_event(batch_header);