Description of problem:
kickstart install - others have worked

Version-Release number of selected component:
anaconda-20.25.15-1

The following was filed automatically by anaconda:
anaconda 20.25.15-1 exception report
Traceback (most recent call first):
  File "/usr/lib64/python2.7/subprocess.py", line 1299, in _execute_child
    os.close(errpipe_read)
  File "/usr/lib64/python2.7/subprocess.py", line 711, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/site-packages/blivet/util.py", line 40, in _run_program
    preexec_fn=chroot, cwd=root, env=env)
  File "/usr/lib/python2.7/site-packages/blivet/util.py", line 56, in run_program
    return _run_program(*args, **kwargs)[0]
  File "/usr/lib/python2.7/site-packages/blivet/udev.py", line 86, in udev_settle
    util.run_program(["udevadm", "settle", "--timeout=300"])
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 745, in _preTeardown
    udev_settle()
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 756, in teardown
    if not self._preTeardown(recursive=recursive):
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 3053, in findExistingInstallations
    device.teardown()
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 427, in reset
    self.roots = findExistingInstallations(self.devicetree)
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 142, in storageInitialize
    storage.reset()
  File "/usr/lib64/python2.7/threading.py", line 764, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/threads.py", line 192, in run
    threading.Thread.run(self, *args, **kwargs)
OSError: [Errno 9] Bad file descriptor

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda
cmdline_file:   BOOT_IMAGE=/boot/vmlinuz_koan ks=http://cobbler.cora.nwra.com/cblr/svc/op/ks/system/quetzal ksdevice=link kssendmac lang= text
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.11.10-301.fc20.x86_64
product:        Fedora
release:        Cannot get release name.
type:           anaconda
version:        20