{
  "command": [
    "bwrap",
    "--unshare-net",
    "--unshare-pid",
    "--unshare-ipc",
    "--unshare-uts",
    "--die-with-parent",
    "--cap-drop",
    "ALL",
    "--clearenv",
    "--ro-bind",
    "/",
    "/",
    "--tmpfs",
    "/home",
    "--tmpfs",
    "/tmp",
    "--tmpfs",
    "/run",
    "--proc",
    "/proc",
    "--dev",
    "/dev",
    "--ro-bind",
    "/tmp/erri-dedicated-runtime/server",
    "/tmp/runtime",
    "--bind",
    "/tmp/erri-dedicated-native-build/attempt-02-header/source",
    "/tmp/source",
    "--bind",
    "/tmp/erri-dedicated-native-build/attempt-02-header",
    "/tmp/work",
    "--setenv",
    "HOME",
    "/tmp/work/home",
    "--setenv",
    "TMPDIR",
    "/tmp/work/tmp",
    "--setenv",
    "XDG_CONFIG_HOME",
    "/tmp/work/home/.config",
    "--setenv",
    "XDG_DATA_HOME",
    "/tmp/work/home/.local/share",
    "--setenv",
    "XDG_CACHE_HOME",
    "/tmp/work/home/.cache",
    "--setenv",
    "PATH",
    "/usr/bin:/bin",
    "--setenv",
    "LANG",
    "C.UTF-8",
    "--chdir",
    "/tmp/runtime",
    "/usr/bin/python3",
    "-c",
    "import json,os,socket,sys\nstate={\"netns\":os.readlink(\"/proc/self/ns/net\"),\"interfaces\":socket.if_nameindex(),\"routes\":open(\"/proc/net/route\").read(),\"ipv6Routes\":open(\"/proc/net/ipv6_route\").read()}\nprint(\"ERR ISOLATION \"+json.dumps(state),flush=True)\nassert state[\"netns\"] != sys.argv[1], \"network namespace was not isolated\"\nassert [name for _,name in state[\"interfaces\"]] == [\"lo\"], \"non-loopback interface present\"\nassert len(state[\"routes\"].splitlines()) == 1, \"IPv4 route present\"\nassert all(line.split()[-1] == \"lo\" for line in state[\"ipv6Routes\"].splitlines()), \"non-loopback IPv6 route present\"\nif len(sys.argv)>2: os.execv(sys.argv[2],sys.argv[2:])\n",
    "net:[4026531833]"
  ],
  "exit": 0,
  "stdout": "ERR ISOLATION {\"netns\": \"net:[4026534801]\", \"interfaces\": [[1, \"lo\"]], \"routes\": \"Iface\\tDestination\\tGateway \\tFlags\\tRefCnt\\tUse\\tMetric\\tMask\\t\\tMTU\\tWindow\\tIRTT                                                       \\n\", \"ipv6Routes\": \"00000000000000000000000000000000 00 00000000000000000000000000000000 00 00000000000000000000000000000000 ffffffff 00000001 00000000 00200200       lo\\n00000000000000000000000000000001 80 00000000000000000000000000000000 00 00000000000000000000000000000000 00000000 00000002 00000000 80200001       lo\\n00000000000000000000000000000000 00 00000000000000000000000000000000 00 00000000000000000000000000000000 ffffffff 00000001 00000000 00200200       lo\\n\"}\n",
  "stderr": ""
}