-A ISTIO_OUTPUT -p tcp -m mark --mark 0x111/0xfff -j ACCEPT
-A ISTIO_OUTPUT ! -d 127.0.0.1/32 -o lo -j ACCEPT
-A ISTIO_OUTPUT ! -d 127.0.0.1/32 -p tcp -m mark ! --mark 0x539/0xfff -j REDIRECT --to-ports 15001
COMMIT
* raw
-N ISTIO_OUTPUT
-N ISTIO_PRERT
-A PREROUTING -j ISTIO_PRERT
-A OUTPUT -j ISTIO_OUTPUT

-A ISTIO_PRERT ! -d 127.0.0.1/32 -p tcp ! --dport 15008 -m mark ! --mark 0x539/0xfff -j REDIRECT --to-ports 15006
-A ISTIO_OUTPUT ! -o lo -p udp -m mark ! --mark 0x539/0xfff -m udp --dport 53 -j REDIRECT --to-port 15053
-A ISTIO_OUTPUT ! -d 127.0.0.1/32 -p tcp --dport 53 -m mark ! --mark 0x539/0xfff -j REDIRECT --to-ports 15053
-A ISTIO_OUTPUT -p tcp -m mark --mark 0x111/0xfff -j ACCEPT
-A ISTIO_OUTPUT ! -d 127.0.0.1/32 -o lo -j ACCEPT

-A PREROUTING -j ISTIO_PRERT
-A OUTPUT -j ISTIO_OUTPUT
-A ISTIO_OUTPUT -m connmark --mark 0x111/0xfff -j CONNMARK --restore-mark --nfmask 0xffffffff --ctmask 0xffffffff
COMMIT
* nat
-N ISTIO_OUTPUT
-N ISTIO_PRERT
-A OUTPUT -j ISTIO_OUTPUT
-A PREROUTING -j ISTIO_PRERT
-A ISTIO_OUTPUT -d 169.254.7.127 -p tcp -m tcp -j ACCEPT
-A ISTIO_OUTPUT -p tcp -m mark --mark 0x111/0xfff -j ACCEPT
-A ISTIO_OUTPUT ! -d 127.0.0.1/32 -o lo -j ACCEPT

-A PREROUTING -p tcp -m mark --mark 1337 -j CONNMARK --save-mark
-A OUTPUT -p tcp -o lo -m mark --mark 1337 -j RETURN
-A OUTPUT ! -d 127.0.0.1/32 -p tcp -o lo -m owner --uid-owner 1337 -j MARK --set-mark 1338
-A OUTPUT ! -d 127.0.0.1/32 -p tcp -o lo -m owner --gid-owner 1337 -j MARK --set-mark 1338
-A OUTPUT -p tcp -m connmark --mark 1337 -j CONNMARK --restore-mark
-I ISTIO_INBOUND 1 -p tcp -m mark --mark 1337 -j RETURN

-A PREROUTING -p tcp -m mark --mark 1337 -j CONNMARK --save-mark
-A OUTPUT -p tcp -o lo -m mark --mark 1337 -j RETURN
-A OUTPUT ! -d 127.0.0.1/32 -p tcp -o lo -m owner --uid-owner 1000670000 -j MARK --set-mark 1338
-A OUTPUT ! -d 127.0.0.1/32 -p tcp -o lo -m owner --gid-owner 1000670001 -j MARK --set-mark 1338
-A OUTPUT -p tcp -m connmark --mark 1337 -j CONNMARK --restore-mark
-I ISTIO_INBOUND 1 -p tcp -m mark --mark 1337 -j RETURN

  }

  @Override
  public synchronized void mark(int readlimit) {
    in.mark(readlimit);
    mark = count;
    // it's okay to mark even if mark isn't supported, as reset won't work
  }

  @Override
  public synchronized void reset() throws IOException {
    if (!in.markSupported()) {
      throw new IOException("Mark not supported");
    }
    if (mark == -1) {
      throw new IOException("Mark not set");
    }

-A ISTIO_OUTPUT -p tcp -m mark --mark 0x111/0xfff -j ACCEPT
-A ISTIO_OUTPUT ! -d 127.0.0.1/32 -o lo -j ACCEPT
-A ISTIO_OUTPUT ! -d 127.0.0.1/32 -p tcp -m mark ! --mark 0x539/0xfff -j REDIRECT --to-ports 15001
COMMIT
* raw
-N ISTIO_OUTPUT
-N ISTIO_PRERT
-A PREROUTING -j ISTIO_PRERT
-A OUTPUT -j ISTIO_OUTPUT

-A ISTIO_PRERT ! -d 127.0.0.1/32 -p tcp ! --dport 15008 -m mark ! --mark 0x539/0xfff -j REDIRECT --to-ports 15006
-A ISTIO_OUTPUT ! -o lo -p udp -m mark ! --mark 0x539/0xfff -m udp --dport 53 -j REDIRECT --to-port 15053
-A ISTIO_OUTPUT ! -d 127.0.0.1/32 -p tcp --dport 53 -m mark ! --mark 0x539/0xfff -j REDIRECT --to-ports 15053
-A ISTIO_OUTPUT -p tcp -m mark --mark 0x111/0xfff -j ACCEPT
-A ISTIO_OUTPUT ! -d 127.0.0.1/32 -o lo -j ACCEPT

	if !ingressMode {
		// CLI: -A ISTIO_PRERT -m mark --mark 0x539/0xfff -j CONNMARK --set-xmark 0x111/0xfff
		//
		// DESC: If we have a packet mark, set a connmark.
		iptablesBuilder.AppendRule(iptableslog.UndefinedCommand, ChainInpodPrerouting, iptablesconstants.MANGLE, "-m", "mark",
			"--mark", inpodMark,
			"-j", "CONNMARK",
			"--set-xmark", inpodTproxyMark)

import sys

import pytest
from fastapi._compat import PYDANTIC_V2

needs_py39 = pytest.mark.skipif(sys.version_info < (3, 9), reason="requires python3.9+")
needs_py310 = pytest.mark.skipif(
    sys.version_info < (3, 10), reason="requires python3.10+"
)
needs_pydanticv2 = pytest.mark.skipif(not PYDANTIC_V2, reason="requires Pydantic v2")