D20824.1793447520.diff
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	Index: head/sys/dev/netmap/netmap_freebsd.c
	===================================================================
	--- head/sys/dev/netmap/netmap_freebsd.c
	+++ head/sys/dev/netmap/netmap_freebsd.c
	@@ -444,6 +444,7 @@
	m->m_ext.ext_size = len;
	#endif /* __FreeBSD_version >= 1100000 */

	+ m->m_flags \|= M_PKTHDR;
	m->m_len = m->m_pkthdr.len = len;

	/* mbuf refcnt is not contended, no need to use atomic
	@@ -452,7 +453,9 @@
	M_HASHTYPE_SET(m, M_HASHTYPE_OPAQUE);
	m->m_pkthdr.flowid = a->ring_nr;
	m->m_pkthdr.rcvif = ifp; /* used for tx notification */
	+ CURVNET_SET(ifp->if_vnet);
	ret = NA(ifp)->if_transmit(ifp, m);
	+ CURVNET_RESTORE();
	return ret ? -1 : 0;
	}