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Laine Stump authored
The iptables-ebtables package is meant as a drop-in replacement for the native ebtables package, but it formats some items in the -L output differently, leading to failure of scripts that depend on the output of ebtables -L. In particular: with old ebtables IPv6 prefixes are output as a netmask (e.g.: "/ffff:fc00") with iptables-ebtables IPv6 prefixes are always output as a numeric prefix (e.g. "/22"), and suppressed completely if the prefix is /128. This difference is also described in https://bugzilla.redhat.com/show_bug.cgi?id=1674536 "old" ebtables upstream has just accepted a patch to change its output to match that of iptables-ebtables: https://marc.info/?l=netfilter-devel&m=155000828923204&w=2 so it makes sense for libvirt-tck to accept the new format (as well as the old). As with the patch for fixing up MAC addresses with leading 0s, this patch also uses sed to apply a substitution to the scraped output of ebtables -L. However, rather than keeping the comparison (expected) output in the old (netmask) form, it is changed to the new (prefix) form, and the sed commands change netmasks to prefixes. (This works out better because in some cases we need to replace [all ff's] with "", and it's not possible to do that in the opposite direction) Signed-off-by: Laine Stump <laine@laine.org> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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