Description of problem:
nightly boot.iso (21.37) with updates image with master branch since 21.37 build.

Version-Release number of selected component:
anaconda-unknown

The following was filed automatically by anaconda:
anaconda unknown exception report
Traceback (most recent call first):
  File "/tmp/updates/pyanaconda/nm.py", line 223, in nm_device_property
    raise UnknownDeviceError(name, e)
  File "/tmp/updates/pyanaconda/nm.py", line 359, in nm_device_type
    return nm_device_property(name, "DeviceType")
  File "/tmp/updates/pyanaconda/nm.py", line 261, in nm_device_type_is_ethernet
    return nm_device_type(name) == NetworkManager.DeviceType.ETHERNET
  File "/tmp/updates/pyanaconda/network.py", line 271, in dumpMissingDefaultIfcfgs
    if not nm.nm_device_type_is_ethernet(devname):
  File "/tmp/updates/pyanaconda/network.py", line 1151, in networkInitialize
    devnames = dumpMissingDefaultIfcfgs()
  File "/sbin/anaconda", line 1186, in <module>
    networkInitialize(ksdata)
UnknownDeviceError: UnknownDeviceError('', GError('GDBus.Error:org.freedesktop.NetworkManager.UnknownDevice: No device found for the requested iface.',))

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda
cmdline_file:   BOOT_IMAGE=vmlinuz initrd=initrd.img inst.stage2=hd:LABEL=Fedora\x20rawhide\x20x86_64 inst.updates=http://updates.notae.us/updates.img
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.15.0-0.rc7.git0.1.fc21.x86_64
product:        Fedora
release:        Cannot get release name.
type:           anaconda
version:        rawhide

Potential duplicate: bug 1045523