anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "frr";
  -  version = "8.1";
  +  version = "8.2.2";
   
     src = fetchFromGitHub {
       owner = "FRRouting";
       repo = pname;
       rev = "${pname}-${version}";
  -    sha256 = "sha256-hJcgLiPBxOE5QEh0RhtZhM3dOxFqW5H0TUjN+aP4qRk=";
  +    hash = "sha256-zuOgbRxyyhFdBplH/K1fpyD+KUWa7FXPDmGKF5Kb7SQ=";
     };
  -
  -  patches = [
  -    (fetchpatch {
  -      # Fix clippy build on aarch64-linux
  -      # https://github.com/FRRouting/frr/issues/10267
  -      url = "https://github.com/FRRouting/frr/commit/3942ee1f7bc754dd0dd9ae79f89d0f2635be334f.patch";
  -      sha256 = "1i0acfy5k9fbm9cxchrcvkhyw9704srq4wm2hyjqgdimm2dq7ryf";
  -    })
  -  ];
   
     nativeBuildInputs = [
       autoreconfHook
  
positive.code:     flex
      perl
      pkg-config
      python3Packages.sphinx
      texinfo
    ];
  
  
negative.code:   ];
  
    configureFlags = [
      "--disable-exampledir"
      "--enable-configfile-mask=0640"
      "--enable-group=frr"
      "--enable-logfile-mask=0640"
      "--enable-multipath=64"
      "--enable-snmp"
      "--enable-user=frr"
      "--enable-vty-group=frrvty"
      "--localstatedir=/run/frr"
      "--sbindir=$(out)/libexec/frr"
      "--sysconfdir=/etc/frr"
    ];
  
    postPatch = ''
      substituteInPlace tools/frr-reload \
        --replace /usr/lib/frr/ $out/libexec/frr/
    '';
  
    doCheck = true;
  
    checkInputs = [
      nettools
      python3.pkgs.pytest
    ];
  
    enableParallelBuilding = true;
  
    meta = with lib; {
      homepage = "https://frrouting.org/";
      description = "FRR BGP/OSPF/ISIS/RIP/RIPNG routing daemon suite";
      longDescription = ''
        FRRouting (FRR) is a free and open source Internet routing protocol suite
  