post_install () {
  echo " *  To enable TOMOYO Linux, append 'security=tomoyo' to the kernel"
  echo '    boot options and initialize policy with this command:'
  echo '      /usr/lib/tomoyo/init_policy'
  echo '    Also you may pass TOMOYO_trigger parameter'
  echo '    if CONFIG_SECURITY_TOMOYO_ACTIVATION_TRIGGER'
  echo '    kernel option has wrong value'
  echo ''
  echo ' *  Kernel version >=3.2 and <5.1 is required'
  echo "    Your version is $(uname -r)"
  echo ' !! Using the wrong version may render your system unbootable'
}

post_upgrade () {
  echo ' *  Kernel version >=3.2 and <5.1 is required'
  echo "    Your version is $(uname -r)"
  echo ' !! Using the wrong version may render your system unbootable'
}