When running graphics_webGLAquarium on peach_pit with glibc 2.27, I see following errors:

Traceback (most recent call last):
  File "/usr/local/autotest/bin/autotest", line 8, in <module>
    from autotest_lib.client.bin import job
  File "/usr/local/autotest/bin/job.py", line 25, in <module>
    from autotest_lib.client.bin import client_logging_config
  File "/usr/local/autotest/bin/client_logging_config.py", line 3, in <module>
    from autotest_lib.client.common_lib import logging_config, global_config
  File "/usr/local/autotest/common_lib/logging_config.py", line 5, in <module>
    from autotest_lib.client.common_lib import utils
  File "/usr/local/autotest/common_lib/utils.py", line 24, in <module>
    import random
  File "/usr/local/lib64/python2.7/random.py", line 885, in <module>
    _inst = Random()
  File "/usr/local/lib64/python2.7/random.py", line 97, in __init__
    self.seed(x)
  File "/usr/local/lib64/python2.7/random.py", line 113, in seed
    a = long(_hexlify(_urandom(2500)), 16)
OSError: [Errno 38] Function not implemented