n += n0
		if err != nil || n0 < sniffLen {
			return n, err
		}
	}

	w.w.Flush()  // get rid of any previous writes
	w.cw.flush() // make sure Header is written; flush data to rwc

	// Now that cw has been flushed, its chunking field is guaranteed initialized.
	if !w.cw.chunking && w.bodyAllowed() {
		n0, err := rf.ReadFrom(src)
		n += n0
		w.written += n0

	"flight_departure":                     "\U0001f6eb",
	"flipper":                              "\U0001f42c",
	"floppy_disk":                          "\U0001f4be",
	"flower_playing_cards":                 "\U0001f3b4",
	"flushed":                              "\U0001f633",
	"fly":                                  "\U0001fab0",
	"flying_disc":                          "\U0001f94f",
	"flying_saucer":                        "\U0001f6f8",

		`)
	assertNFTablesTransactionEqual(t, getLine(), expected, nft.Dump())

	// Delete a service; its chains will be flushed, but not immediately deleted.
	fp.OnServiceDelete(svc2)
	fp.syncProxyRules()
	expected = baseRules + dedent.Dedent(`
		add element ip kube-proxy cluster-ips { 172.30.0.41 }

					return errors.New("header appeared from after WriteHeader")
				}
				return nil
			},
		},
		{
			name: "flush then write",
			handler: func(rw ResponseWriter, r *Request) {
				rw.(Flusher).Flush()
				rw.Write([]byte("post-flush"))
				rw.Header().Set("Too-Late", "Write already wrote headers")
			},
			check: func(got, logs string) error {

				return
			}
			grid.PutByteBuffer(entry)
			if len(traceCh) == 0 {
				// Flush if nothing is queued
				w.(http.Flusher).Flush()
			}
		case <-keepAliveTicker.C:
			if len(traceCh) > 0 {
				continue
			}
			if _, err := w.Write([]byte(" ")); err != nil {
				return
			}
			w.(http.Flusher).Flush()
		case <-ctx.Done():
			return
		}
	}
}

				}
			}()
		}
		wg.Wait()
	}

	var initialCC contextCounter
	doPosts(&initialCC)

	// flushCC exists only to put pressure on the GC to finalize the initialCC
	// contexts: the flushCC allocations should eventually displace the initialCC
	// allocations.
	var flushCC contextCounter
	for i := 0; ; i++ {
		live := initialCC.Read()
		if live == 0 {
			break
		}
		if i >= 100 {

wondered at this, but at the time it all seemed quite natural);
but when the Rabbit actually TOOK A WATCH OUT OF ITS WAISTCOAT-
POCKET, and looked at it, and then hurried on, Alice started to
her feet, for it flashed across her mind that she had never
before seen a rabbit with either a waistcoat-pocket, or a watch to
take out of it, and burning with curiosity, she ran across the
field after it, and fortunately was just in time to see it pop

				t.Errorf("got backoff %s, want %s", backoff, step.wantBackoff)
			}

			// Simulate routine that continuously flushes the backoff queue.
			cl.Step(time.Millisecond)
			q.flushBackoffQCompleted(logger)
			// Still in backoff queue after an early flush.
			if _, ok, _ := q.podBackoffQ.Get(podInfo); !ok {
				t.Errorf("pod %v is not in the backoff queue", podID)
			}

## Changelog since v1.4.0-beta.1

### Other notable changes

* Fix a bug in kubelet hostport logic which flushes KUBE-MARK-MASQ iptables chain ([#32413](https://github.com/kubernetes/kubernetes/pull/32413), [@freehan](https://github.com/freehan))

* Stick to 2.2.1 etcd ([#32404](https://github.com/kubernetes/kubernetes/pull/32404), [@caesarxuchao](https://github.com/caesarxuchao))
* Fix a bug in kubelet hostport logic which flushes KUBE-MARK-MASQ iptables chain ([#32413](https://github.com/kubernetes/kubernetes/pull/32413), [@freehan](https://github.com/freehan))