Re: [meta-virtualization][PATCH] lxc: don't allow named listening IPv6 address on lxcbrX network interface

[Bruce Ashfield <bruce.ashfield@gmail.com>]

merged.

Bruce

In message: [meta-virtualization][PATCH] lxc: don't allow named listening IPv6 address on lxcbrX network interface
on 06/06/2025 Xiangyu Chen via lists.yoctoproject.org wrote:

> From: Xiangyu Chen <xiangyu.chen@windriver.com>
> 
> lxc-net enabled the IPv6 by default since v6.0.0[1], when named enabled on
> system, the lxc-net which based on dnsmasq would fail to bind the IPv6
> address on lxcbrX interface, that cause lxc cannot work correctly.
> 
> LXC upstream changed the default v6 address again[2], we need to line up with
> upstream. Updated the lxc-net default v6 address to named.conf.option to tell
> named don't bind and listen that address.
> 
> Ref:
> 
> [1] https://github.com/lxc/lxc/commit/e8888344
> [2] https://github.com/lxc/lxc/commit/31012d49
> 
> Signed-off-by: Xiangyu Chen <xiangyu.chen@windriver.com>
> ---
>  recipes-core/bind/bind_virtualization.inc | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/recipes-core/bind/bind_virtualization.inc b/recipes-core/bind/bind_virtualization.inc
> index f942d7ad..bb4e22b2 100644
> --- a/recipes-core/bind/bind_virtualization.inc
> +++ b/recipes-core/bind/bind_virtualization.inc
> @@ -1,4 +1,4 @@
>  # Tell named not to bother listening on the IP address that lxc and libvirtd handles itself.
>  do_install:append() {
> -	sed -i -e 's,^\( *options *{\)$,\1\n\t// lxc and libvirtd would take care of this address itself\n\tlisten-on { ! 10.0.3.1; ! 192.168.122.1; any;};\n\tlisten-on-v6 { ! fc11:4514:1919:810::1; any;};\n,' ${D}${sysconfdir}/bind/named.conf.options
> +	sed -i -e 's,^\( *options *{\)$,\1\n\t// lxc and libvirtd would take care of this address itself\n\tlisten-on { ! 10.0.3.1; ! 192.168.122.1; any;};\n\tlisten-on-v6 { ! fc42:5009:ba4b:5ab0::1; any;};\n,' ${D}${sysconfdir}/bind/named.conf.options
>  }
> -- 
> 2.34.1
> 

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