Repro code

from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.remote.remote_connection import LOGGER as logg

import atexit

dr = None

# Shutdown webdriver instance if exiting

def exit_func():
    if dr != None:
        dr.quit()

atexit.register(exit_func)

logging.basicConfig(filename='/var/log/reboot_router.log', filemode='a+', level=logging.DEBUG, format='%(asctime)s %(name)-12s %(levelname)-8s %(message)s')

logg.info('%s started', sys.argv [0])
logg.info('should have been rebooted')
sys.exit(0)
opt = Options()
opt.add_argument('--headless')
opt.add_argument('--no-sandbox')
opt.add_argument('--log-level=9')
opt.add_argument('--enable-logging')
opt.add_argument('start-maximized')
opt.add_argument('--verbose')

try:
    dr = webdriver.Chrome(options = opt, service_log_path = 'service.log')
except Exception as e:
    logg.warn('Webdriver creation exception: %s', str(e))
    sys.exit(-1)

try:
    dr.get('<page>')
    html = dr.execute_script("return document.documentElement.outerHTML")
    pw = dr.find_element_by_id('<element>')
except Exception as e:
    logg.warn('Could not get page: %s', str(e))
    sys.exit(-1)

...