Ruby Net::OpenTimeout: 実行期限が切れました 質問する

私のマシン上の複数のホストでこのエラーが継続的に発生します。例:

require 'open-uri'
open('https://google.com').read


Net::OpenTimeout: execution expired
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/net/http.rb:904:in `initialize'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/net/http.rb:904:in `open'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/net/http.rb:904:in `block in connect'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/timeout.rb:103:in `timeout'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/net/http.rb:902:in `connect'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/net/http.rb:887:in `do_start'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/net/http.rb:876:in `start'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/open-uri.rb:323:in `open_http'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/open-uri.rb:741:in `buffer_open'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/open-uri.rb:212:in `block in open_loop'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/open-uri.rb:210:in `catch'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/open-uri.rb:210:in `open_loop'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/open-uri.rb:151:in `open_uri'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/open-uri.rb:721:in `open'
    from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/open-uri.rb:35:in `open'
    from (irb):3
    from /usr/local/opt/rbenv/versions/2.4.0/bin/irb:11:in `<main>'

open('https://twitter.com').read