assertContent("This comes after a busted connection", response2)

    // Check that a fresh connection was created, either immediately or after attempting reuse.
    // We know that a fresh connection was created if the server recorded a request with sequence
    // number 0. Since the client may have attempted to reuse the broken connection just before

          // This request will share a connection with 'A' cause it's all done.
          client.newCall(Request.Builder().url(server.url("/b")).build()).enqueue(callback)
        }
      },
    )
    callback.await(server.url("/b")).assertCode(200).assertBody("def")
    // New connection.
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)
    // Connection reuse!

Lokhttp3/internal/connection/ExchangeFinder;
Lokhttp3/internal/connection/FastFallbackExchangeFinder;
Lokhttp3/internal/connection/RealCall$AsyncCall;
Lokhttp3/internal/connection/RealCall$CallReference;
Lokhttp3/internal/connection/RealCall$timeout$1;
Lokhttp3/internal/connection/RealCall;
Lokhttp3/internal/connection/RealConnection;
Lokhttp3/internal/connection/RealConnectionPool$cleanupTask$1;
Lokhttp3/internal/connection/RealConnectionPool;

    val response1 = client.newCall(request).execute()
    val source = response1.body.source()
    assertThat(source.readUtf8()).isEqualTo("ABC")

    // OpenJDK 6 fails on this line, complaining that the connection isn't open yet
    val cipherSuite = response1.handshake!!.cipherSuite
    val localCerts = response1.handshake!!.localCertificates
    val serverCerts = response1.handshake!!.peerCertificates

- Changed the API server so that for admission webhooks that have a URL matching the hostname 'localhost' or a loopback IP address, the connection supports HTTP/2 where it could be negotiated.
   ([#122558](https://github.com/kubernetes/kubernetes/pull/122558), [@linxiulei](https://github.com/linxiulei))