continue
			}

			if s == "*" {
				continue
			}
			res.Insert(prefix.Masked().String())
		}
		return res
	}
	return cidrSet(a.destinationCIDRs).Equals(cidrSet(b.destinationCIDRs))
}

func (chain *filterChainOpts) toFilterChainMatch() *listener.FilterChainMatch {
	if chain.isMatchAll() {
		return nil
	}
	match := &listener.FilterChainMatch{

	// create IPv6 allocator
	cidrIPv6 := "2001:db8::/112"
	_, clusterCIDRv6, _ := netutils.ParseCIDRSloppy(cidrIPv6)
	b, err := newTestAllocator(clusterCIDRv6)
	if err != nil {
		t.Fatalf("unexpected error creating CidrSet: %v", err)
	}
	b.EnableMetrics()

	// Check initial state
	em := testMetrics{
		free:      0,
		used:      0,
		allocated: 0,
		errors:    0,
	}
	expectMetrics(t, cidrIPv4, em)

- Reduce event spam during a volume operation error. ([#89794](https://github.com/kubernetes/kubernetes/pull/89794), [@msau42](https://github.com/msau42)) [SIG Storage]
- Refactor the local nodeipam range allocator and instrument the cidrset used to store the allocated CIDRs with the following metrics:
  "cidrset_cidrs_allocations_total",
  "cidrset_cidrs_releases_total",
  "cidrset_usage_cidrs",