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From: Florian Westphal <fw@strlen.de>
To: Martin Gignac <martin.gignac@gmail.com>
Cc: Florian Westphal <fw@strlen.de>, netfilter@vger.kernel.org
Subject: Re: Trying to provision flowtable returns error
Date: Thu, 5 Nov 2020 18:07:54 +0100	[thread overview]
Message-ID: <20201105170754.GB25824@breakpoint.cc> (raw)
In-Reply-To: <CANf9dFP5fzK7N3eQ3KyW=zC22dpfMuf=yxX7B9dqTpnb0mThLA@mail.gmail.com>

Martin Gignac <martin.gignac@gmail.com> wrote:
> Hi Florian,
> 
> OK, I understand now.
> 
> - on RHEL/CentOS 8 I *was* using existing network interfaces, but
> there are *no* nf_flow kernel modules available, and
> - on Fedora 30/33 there *are* nf_flow kernel modules available, but I
> was *not* using existing interface names
> 
> Both cases give off the same error message, which confused me.

Yes, I agree its confusing. In first case its because module isn't found and
in second case its the interface names that could not be found.

> In Fedora the systemd
> unit file for the nftables.services states that nftables should start
> before the network.pre-target:
[..]

> At this stage Network Manager hasn't even begun to initialize, much
> less create any logical interfaces.

Sure.  I think the systemd default is sane though.

> Or is there another way that I am not seeing?

Can't nm execute some action when an interface comes up?
That way you could just add the flowtable later.

  reply	other threads:[~2020-11-05 17:07 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-16 10:37 nftables iifname and currently unknown interfaces Robert Sander
2020-10-16 10:54 ` Pablo Neira Ayuso
2020-10-16 10:56 ` Florian Westphal
2020-10-16 11:10   ` Robert Sander
2020-10-28 22:25     ` Pablo Neira Ayuso
2020-11-04  5:30 ` Trying to provision flowtable returns error Martin Gignac
2020-11-05  0:53   ` Duncan Roe
2020-11-05 15:17     ` Martin Gignac
2020-11-05 15:38       ` Florian Westphal
2020-11-05 16:20         ` Martin Gignac
2020-11-05 17:07           ` Florian Westphal [this message]
2020-11-05 18:21             ` Martin Gignac
2020-11-05 18:41               ` Martin Gignac
2020-11-05 21:01                 ` Pablo Neira Ayuso
2020-11-05 21:45                   ` Martin Gignac
2020-11-06 10:58                     ` Pablo Neira Ayuso
2020-11-06 15:13                       ` Martin Gignac
2020-11-06 15:24                         ` Martin Gignac
2020-11-06 16:21                           ` Pablo Neira Ayuso
2020-11-06 19:20                             ` Martin Gignac
2020-11-10 15:04                           ` Gordon Fisher
2020-11-06 17:18                       ` Pablo Neira Ayuso

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