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Date:      Tue, 23 Jul 2024 08:20:58 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 280386] if_bridge throws output errors under load
Message-ID:  <bug-280386-7501-YI5VpPJPtY@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-280386-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-280386-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D280386

--- Comment #1 from Zhenlei Huang <zlei@FreeBSD.org> ---
(In reply to pascal.guitierrez from comment #0)
The if_bridge(4) promote underlaying errors from bridge members,

```
2108                 if ((err =3D dst_ifp->if_transmit(dst_ifp, m))) {
2109                         int n;
2110=20
2111                         for (m =3D m0, n =3D 1; m !=3D NULL; m =3D m0,=
 n++) {
2112                                 m0 =3D m->m_nextpkt;
2113                                 m_freem(m);
2114                         }
2115                         if_inc_counter(sc->sc_ifp, IFCOUNTER_OERRORS, =
n);
2116                         break;
2117                 }
```

may you please also share the statistics for output dropped packets, aka
`netstat -di` ?

--=20
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