This patch is used to fix ifconfig hang issue with incomplete
parameters. In addition, some error related output information
is added to increase the interactivity.
Cc: Leekha Shaveta <shaveta@freescale.com>
Cc: Carsey Jaben <jaben.carsey@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
Tested-by: Leekha Shaveta <shaveta@freescale.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19212 6f19259b-4bc3-4df7-8a09-765794883524
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