{
  "application_log_config": {
    "log_format": {
        "text_format": "%Y-%m-%dT%T.%fZ\t%l\tenvoy %n %g:%#\t%v\tthread=%t"
    }
  },
  "node": {
    "id": "sidecar~1.2.3.4~foo~bar",
    "cluster": "istio-proxy",
    "locality": {
    },

		$2 ~ /^PAR/ ||
		$2 ~ /^SIG[^_]/ ||
		$2 ~ /^O[CNPFP][A-Z]+[^_][A-Z]+$/ ||
		$2 ~ /^IN_/ ||
		$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
		$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||
		$2 == "ICMPV6_FILTER" ||
		$2 == "SOMAXCONN" ||
		$2 == "NAME_MAX" ||
		$2 == "IFNAMSIZ" ||
		$2 ~ /^CTL_(MAXNAME|NET|QUERY)$/ ||
		$2 ~ /^SYSCTL_VERS/ ||
		$2 ~ /^(MS|MNT)_/ ||

{
  "application_log_config": {
    "log_format": {
        "text_format": "%Y-%m-%dT%T.%fZ\t%l\tenvoy %n %g:%#\t%v\tthread=%t"
    }
  },
  "node": {
    "id": "sidecar~1.2.3.4~foo~bar",
    "cluster": "istio-proxy",
    "locality": {
    },

{
  "application_log_config": {
    "log_format": {
        "text_format": "%Y-%m-%dT%T.%fZ\t%l\tenvoy %n %g:%#\t%v\tthread=%t"
    }
  },
  "node": {
    "id": "sidecar~1.2.3.4~foo~bar",
    "cluster": "istio-proxy",
    "locality": {
    },

      <parse>
        @type multi_format
        <pattern>
          format json
          time_key time
          time_format %Y-%m-%dT%H:%M:%S.%NZ
        </pattern>
        <pattern>
          format /^(?<time>.+) (?<stream>stdout|stderr) [^ ]* (?<log>.*)$/
          time_format %Y-%m-%dT%H:%M:%S.%N%:z
        </pattern>
      </parse>
    </source>

    <filter reform.**>
      @type parser

		t.Run(tt.Name, func(t *testing.T) {
			dec := NewDecoder(strings.NewReader(tt.json))
			for i, want := range tt.expTokens {
				var got any
				var err error

				if dt, ok := want.(decodeThis); ok {
					want = dt.v
					err = dec.Decode(&got)
				} else {
					got, err = dec.Token()
				}
				if errWant, ok := want.(error); ok {
					if err == nil || !reflect.DeepEqual(err, errWant) {

		metrics.Read(m2)

		dt := m2[0].Value.Float64() - m1[0].Value.Float64()
		if dt >= minIdleCPUSeconds {
			// All is well. Test passed.
			return
		}
		failureIdleTimes = append(failureIdleTimes, dt)
		// Try again.
	}

	// We couldn't observe the expected idle time even once.
	for i, dt := range failureIdleTimes {
		t.Logf("try %2d: idle time = %.5fs\n", i+1, dt)
	}

000002d0  d3 58 40 eb 5c 54 95 96  05 d0 37 63 e4 a6 1b 51  |.X@.\T....7c...Q|
000002e0  9a d0 93 31 82 e6 8e a0  af 29 64 02 41 4c ff ac  |...1.....)d.AL..|
000002f0  44 74 e0 04 2c ab 1c 23  91 dc 06 36 ff 19 a1 60  |Dt..,..#...6...`|
00000300  19 d4 e5 d3 78 f5 ed d8  09 7b de 61 6f 65 2c 69  |....x....{.aoe,i|
00000310  a1 d2 5d 07 bf 99 26 2b  70 fa 34 26 30 41 59 3b  |..]...&+p.4&0AY;|

      <parse>
        @type multi_format
        <pattern>
          format json
          time_key time
          time_format %Y-%m-%dT%H:%M:%S.%NZ
        </pattern>
        <pattern>
          format /^(?<time>.+) (?<stream>stdout|stderr) [^ ]* (?<log>.*)$/
          time_format %Y-%m-%dT%H:%M:%S.%N%:z
        </pattern>
      </parse>
    </source>

    <filter reform.**>
      @type parser

 *
 * <dl>
 *   <dt>The IPv4 loopback address, {@code "127.0.0.1"}.
 *   <dd>{@code 7f 00 00 01}
 *   <dt>The IPv6 loopback address, {@code "::1"}.
 *   <dd>{@code 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01}
 *   <dt>From the IPv6 reserved documentation prefix ({@code 2001:db8::/32}), {@code "2001:db8::1"}.
 *   <dd>{@code 20 01 0d b8 00 00 00 00 00 00 00 00 00 00 00 01}