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Description of problem:

I installed RHEL 6 beta 2 in the "Desktop" configuration in a
virtual machine with a single network interface:

  eth0: RTL-8139C+ at 0xffffc900010f4000, 52:54:00:59:59:05, IRQ 11

Anaconda(?) configures it like this:

  ><fs> cat /etc/sysconfig/network-scripts/ifcfg-eth0
  DEVICE=eth0
  HWADDR=52:54:00:59:59:05
  ONBOOT=no
  NM_CONTROLLED=no

This means NetworkManager cannot see it, and there is no visible
way to configure this interface through the GUI (eg. Preferences ->
Network Connections does nothing useful).

Version-Release number of selected component (if applicable):

RHEL 6 beta 2

How reproducible:

Happened once.

Steps to Reproduce:
1. Install RHEL 6 beta 2 using virt-install:
virt-install -v -n RHEL6beta2x64 --accelerate -r 2048 -f /dev/vg_trick/RHEL6beta2x64 --cdrom RHEL6.0-20100622.1-Server-x86_64-DVD1.iso 
2. Select "Desktop" configuration.
3. Continue install, firstboot, login.
  
Actual results:

No network, NetworkManager does nothing useful.

Expected results:

Network should work by default.

Additional info:

*** This bug has been marked as a duplicate of bug 606745 ***