From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Westphal <fw@strlen.de>
Subject: Re: ingress hook on interface with multiple addresses ?
Date: Thu, 13 Aug 2020 00:03:05 +0200
Message-ID: <20200812220305.GB1660@breakpoint.cc>
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To: sean darcy <seandarcy2@gmail.com>
Cc: netfilter@vger.kernel.org

sean darcy <seandarcy2@gmail.com> wrote:
> On 8/12/20 4:57 PM, Florian Westphal wrote:
> > sean darcy <seandarcy2@gmail.com> wrote:
> > > I have an interface with 2 ip addresses:
> > > 
> > > ip a
> > > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
> > > default qlen 1000
> > > ............
> > > 2: enp1s0f1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state
> > > UP group default qlen 1000
> > >      link/ether 98:29:a6:48:49:8e brd ff:ff:ff:ff:ff:ff
> > >      inet 10.0.0.61/24 brd 10.0.0.255 scope global noprefixroute enp1s0f1
> > >         valid_lft forever preferred_lft forever
> > >      inet 10.0.0.2/32 scope global noprefixroute enp1s0f1
> > >         valid_lft forever preferred_lft forever
> > > 
> > > When I try to add a chain on ingress hook, nft is unhappy:
> > > 
> > > nft list table netdev foo
> > > table netdev foo {
> > > 	set allowlist {
> > > 		type ipv4_addr
> > > 		flags interval
> > > 		auto-merge
> > > 		elements = { 10.0.0.0/8, 127.0.0.1 }
> > > 	}
> > > }
> > > 
> > > 
> > > nft 'add chain netdev foo dev0filter { type filter hook ingress device
> > > enp1s0f1 priority 0 ; }'
> > > Error: Could not process rule: No such file or directory
> > > add chain netdev foo dev0filter { type filter hook ingress device enp1s0f1
> > > priority 0 ; }
> > 
> > works fine for me on 5.7.11 kernel (with adjusted interface name).
> > 
> > > Can you have a chain on ingress hook for an interface that has multiple
> > > addresses ?
> > 
> > Its not relevant how many addresses are assigned.
> > 
> I'm on Fedora 32:
> 
> 5.7.14-200.fc32.
> rpm -q nftables libnftnl
> nftables-0.9.3-3.fc32.x86_64
> libnftnl-1.1.5-2.fc32.x86_64

Exact same versions here:
libnftnl-1.1.5-2.fc32.x86_64
nftables-0.9.3-3.fc32.x86_64

I will do a kernel update and see if that breaks it.
I get the same error message if I mistype the device name, but it looks
like thats not it as per your "ip a" output.