Chrome Driver 2.3.0 doesn't work on selenium 3.4.0

[Tomoko Miyake]

Hi! I am new to Selenium.

I have a problem with selenium and it's chromedriver.  I am happy if you could help me!
I am using selenium 3.4.0 and chromedriver 2.3.0 on CentOS7.
Below error occoured.

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Traceback (most recent call last):

  File "simple_test.py", line 5, in <module>

    browser = webdriver.Chrome('/usr/local/bin/chromedriver')

  File "/root/.pyenv/versions/3.5.3/lib/python3.5/site-packages/selenium/webdriver/chrome/webdriver.py", line 69, in __init__

    desired_capabilities=desired_capabilities)

  File "/root/.pyenv/versions/3.5.3/lib/python3.5/site-packages/selenium/webdriver/remote/webdriver.py", line 98, in __init__

    self.start_session(desired_capabilities, browser_profile)

  File "/root/.pyenv/versions/3.5.3/lib/python3.5/site-packages/selenium/webdriver/remote/webdriver.py", line 188, in start_session

    response = self.execute(Command.NEW_SESSION, parameters)

  File "/root/.pyenv/versions/3.5.3/lib/python3.5/site-packages/selenium/webdriver/remote/webdriver.py", line 252, in execute

    self.error_handler.check_response(response)

  File "/root/.pyenv/versions/3.5.3/lib/python3.5/site-packages/selenium/webdriver/remote/errorhandler.py", line 194, in check_response

    raise exception_class(message, screen, stacktrace)

selenium.common.exceptions.WebDriverException: Message: unknown error: Chrome failed to start: exited abnormally

  (Driver info: chromedriver=2.30.477691 (6ee44a7247c639c0703f291d320bdf05c1531b57),platform=Linux 3.10.0-514.el7.x86_64 x86_64)

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If anyone knows the solution, could you please tell me it.