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Description of problem:
In the 'ifdown' script, starting at line 51, it checks to see if the device mac
addr is the same as 'HWADDR' in the ifcfg-xxx file; failing that, it looks for
another ifcfg-xxx file with that HWADDR, then ifdown's it.  With a removed
ethernet device, this results in an infinite loop; worse, since this was a
PCMCIA device, it hung during PCMCIA initiallization on startup.

For more info, check w/ Matt Wilson, who nailed down this bug at LinuxWorld.

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


How reproducible:
Always

Steps to Reproduce:
1. Configure a removable ethernet device with 'neat' (this tool sets HWADDR, not
sure about other tools)
2. Remove the device
3. 'ifdown (devicename)'
	

Actual Results:  infinite loop with 'Device XXX does not exist' (or something
similar)

Expected Results:  One iteration of 'Device XXX does not exist' with clean exit.

Additional info:

On the off chance it matters, this was for a Cisco Aironet 350, where I used
'neat' to make it so users could activate/deactivate the device.