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Date:      Thu, 26 Jul 2018 10:15:18 +0200
From:      Patrick Lamaiziere <patrick@davenulle.org>
To:        Patrick Lamaiziere <patfbsd@davenulle.org>
Cc:        Lars Schotte <lars@gustik.eu>, freebsd-net@freebsd.org, freebsd-stable@freebsd.org
Subject:   Re: PF problems with 11-stable
Message-ID:  <20180726101518.1e8fd966@mr185083>
In-Reply-To: <20180726095805.28f86c64@mr185083>
References:  <20180722155341.065c3d4d@romy.j20.helspy.pw> <20180726095805.28f86c64@mr185083>

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Le Thu, 26 Jul 2018 09:58:05 +0200,
Patrick Lamaiziere <patfbsd@davenulle.org> a =C3=A9crit :

Hello,

> > Hey,
> > I am on=20
> > 11.2-STABLE FreeBSD 11.2-STABLE #9 r336597
> > Sun Jul 22 14:08:38 CEST 2018=20
> >=20
> > and I see 2 problems with PF that are still there:
> >  1.) set skip on lo=20
> > 	does not work even though ifconfig lo matches.
> > SOLVED TEMPORARILY BY: set skip on lo0 =20
>=20
> I've seen this while upgrading from 10.3 to 11.2-RELEASE. I've added
> lo0 to set skip too.
>=20
> When the problem occurs, lo is marked '(skip)' (pfctl -vs
> Interfaces) but not lo0.
>=20
> But I can't reproduce this, this happened only one time.

I don't know if this is related but there were some kernel logs about 'loop=
back' :

Feb 15 17:11:48 fucop1 kernel: ifa_del_loopback_route: deletion failed: 47
Feb 15 17:11:48 fucop1 kernel: ifa_add_loopback_route: insertion failed: 47
Jul 16 13:50:36 fucop1 kernel: ifa_maintain_loopback_route: deletion failed=
 for interface ix2: 3
Jul 16 14:07:31 fucop1 kernel: ifa_maintain_loopback_route: deletion failed=
 for interface ix2: 3
Jul 16 14:07:31 fucop1 kernel: ifa_maintain_loopback_route: deletion failed=
 for interface igb1: 3
Jul 16 14:10:43 fucop1 kernel: ifa_maintain_loopback_route: insertion faile=
d for interface igb0: 17

I've got two firewalls with carp and bird 2 (BGP).





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