diff --git a/sys/net/bpf.c b/sys/net/bpf.c
--- a/sys/net/bpf.c
+++ b/sys/net/bpf.c
@@ -2296,7 +2296,6 @@
 void
 bpf_tap(struct bpf_if *bp, u_char *pkt, u_int pktlen)
 {
-	struct epoch_tracker et;
 	struct bintime bt;
 	struct bpf_d *d;
 #ifdef BPF_JITTER
@@ -2305,8 +2304,9 @@
 	u_int slen;
 	int gottime;
 
+	NET_EPOCH_ASSERT();
+
 	gottime = BPF_TSTAMP_NONE;
-	NET_EPOCH_ENTER(et);
 	CK_LIST_FOREACH(d, &bp->bif_dlist, bd_next) {
 		counter_u64_add(d->bd_rcount, 1);
 		/*
@@ -2339,7 +2339,6 @@
 			BPFD_UNLOCK(d);
 		}
 	}
-	NET_EPOCH_EXIT(et);
 }
 
 void
@@ -2360,7 +2359,6 @@
 void
 bpf_mtap(struct bpf_if *bp, struct mbuf *m)
 {
-	struct epoch_tracker et;
 	struct bintime bt;
 	struct bpf_d *d;
 #ifdef BPF_JITTER
@@ -2369,6 +2367,8 @@
 	u_int pktlen, slen;
 	int gottime;
 
+	NET_EPOCH_ASSERT();
+
 	/* Skip outgoing duplicate packets. */
 	if ((m->m_flags & M_PROMISC) != 0 && m_rcvif(m) == NULL) {
 		m->m_flags &= ~M_PROMISC;
@@ -2378,7 +2378,6 @@
 	pktlen = m_length(m, NULL);
 	gottime = BPF_TSTAMP_NONE;
 
-	NET_EPOCH_ENTER(et);
 	CK_LIST_FOREACH(d, &bp->bif_dlist, bd_next) {
 		if (BPF_CHECK_DIRECTION(d, m_rcvif(m), bp->bif_ifp))
 			continue;
@@ -2406,7 +2405,6 @@
 			BPFD_UNLOCK(d);
 		}
 	}
-	NET_EPOCH_EXIT(et);
 }
 
 void
@@ -2425,13 +2423,14 @@
 void
 bpf_mtap2(struct bpf_if *bp, void *data, u_int dlen, struct mbuf *m)
 {
-	struct epoch_tracker et;
 	struct bintime bt;
 	struct mbuf mb;
 	struct bpf_d *d;
 	u_int pktlen, slen;
 	int gottime;
 
+	NET_EPOCH_ASSERT();
+
 	/* Skip outgoing duplicate packets. */
 	if ((m->m_flags & M_PROMISC) != 0 && m->m_pkthdr.rcvif == NULL) {
 		m->m_flags &= ~M_PROMISC;
@@ -2452,7 +2451,6 @@
 
 	gottime = BPF_TSTAMP_NONE;
 
-	NET_EPOCH_ENTER(et);
 	CK_LIST_FOREACH(d, &bp->bif_dlist, bd_next) {
 		if (BPF_CHECK_DIRECTION(d, m->m_pkthdr.rcvif, bp->bif_ifp))
 			continue;
@@ -2472,7 +2470,6 @@
 			BPFD_UNLOCK(d);
 		}
 	}
-	NET_EPOCH_EXIT(et);
 }
 
 void