Index: sys/netinet/tcp_lro.c
===================================================================
--- sys/netinet/tcp_lro.c
+++ sys/netinet/tcp_lro.c
@@ -550,6 +550,7 @@
 		 * append new segment to existing mbuf chain.
 		 */
 		m_adj(m, m->m_pkthdr.len - tcp_data_len);
+		m_tag_delete_chain(m, NULL);
 		m->m_flags &= ~M_PKTHDR;
 
 		le->m_tail->m_next = m;