brew cask install tuntap

test

test1

test2

brew cask install tuntap １回目は失敗

Password:
installer: Package name is TunTap Installer package
installer: Installing at base path /
installer: The install failed (エラーによってインストールできませんでした。ソフトウェアの製造元に問い合わせてください。)
==> Purging files for version 20150118 of Cask tuntap
Error: Failure while executing; `/usr/bin/sudo -E -- /usr/bin/env LOGNAME=tm USER=tm USERNAME=tm /usr/sbin/installer -pkg /usr/local/Caskroom/tuntap/20150118/tuntap_20150118.pkg -target /` exited with 1. Here's the output:
installer: Package name is TunTap Installer package
installer: Installing at base path /
installer: The install failed (エラーによってインストールできませんでした。ソフトウェアの製造元に問い合わせてください。)
Follow the instructions here:
  https://github.com/Homebrew/homebrew-cask#reporting-bugs
/usr/local/Homebrew/Library/Homebrew/system_command.rb:176:in `assert_success!'
/usr/local/Homebrew/Library/Homebrew/system_command.rb:53:in `run!'
/usr/local/Homebrew/Library/Homebrew/system_command.rb:29:in `run'
/usr/local/Homebrew/Library/Homebrew/system_command.rb:33:in `run!'
/usr/local/Homebrew/Library/Homebrew/cask/artifact/pkg.rb:59:in `block in run_installer'
/usr/local/Homebrew/Library/Homebrew/cask/artifact/pkg.rb:65:in `with_choices_file'
/usr/local/Homebrew/Library/Homebrew/cask/artifact/pkg.rb:52:in `run_installer'
/usr/local/Homebrew/Library/Homebrew/cask/artifact/pkg.rb:34:in `install_phase'
/usr/local/Homebrew/Library/Homebrew/cask/installer.rb:218:in `block in install_artifacts'
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/

２回目

> brew cask install tuntap
==> Caveats
To install and/or use tuntap you may need to enable its kernel extension in:
  System Preferences → Security & Privacy → General
For more information refer to vendor documentation or this Apple Technical Note:
  https://developer.apple.com/library/content/technotes/tn2459/_index.html

==> Downloading https://downloads.sourceforge.net/tuntaposx/tuntap/20150118/tuntap_20150118.tar.gz
Already downloaded: /Users/tm/Library/Caches/Homebrew/downloads/0f08fbfcac9a00fd040db3d176fa26ebe155d7c8f36a19c538a75e6ddee28ff7--tuntap_20150118.tar.gz
==> Verifying SHA-256 checksum for Cask 'tuntap'.
==> Installing Cask tuntap
==> Running installer for tuntap; your password may be necessary.
==> Package installers may write to any location; options such as --appdir are ignored.
installer: Package name is TunTap Installer package
installer: Installing at base path /
installer: The install was successful.
🍺  tuntap was successfully installed!
[15:33:56] tm@tm-22 /Users/tm (0)