https://luci-milo.appspot.com/buildbot/chromeos/eve-arcnext-paladin/97


The failure fired once


autotest-0.0.2-r9159: ERROR: testHostDirMissing (autotest_lib.site_utils.lxc.shared_host_dir_unittest.SharedHostDirTests)
autotest-0.0.2-r9159: Verifies that a missing host dir does not cause cleanup to crash.
autotest-0.0.2-r9159: ----------------------------------------------------------------------
autotest-0.0.2-r9159: Traceback (most recent call last):
autotest-0.0.2-r9159:   File "/build/eve-arcnext/tmp/portage/chromeos-base/autotest-0.0.2-r9159/work/autotest-0.0.2/site_utils/lxc/shared_host_dir_unittest.py", line 29, in tearDown
autotest-0.0.2-r9159:     shutil.rmtree(self.tmpdir)
autotest-0.0.2-r9159:   File "/usr/lib64/python2.7/shutil.py", line 247, in rmtree
autotest-0.0.2-r9159:     rmtree(fullname, ignore_errors, onerror)
autotest-0.0.2-r9159:   File "/usr/lib64/python2.7/shutil.py", line 256, in rmtree
autotest-0.0.2-r9159:     onerror(os.rmdir, path, sys.exc_info())
autotest-0.0.2-r9159:   File "/usr/lib64/python2.7/shutil.py", line 254, in rmtree
autotest-0.0.2-r9159:     os.rmdir(path)
autotest-0.0.2-r9159: OSError: [Errno 16] Device or resource busy: '/build/eve-arcnext/tmp/portage/chromeos-base/autotest-0.0.2-r9159/temp/tmpcnSbot/host'