Clear configured IP address as part of teardown
Clear configured IP address as part of teardown

Change-Id: Iff12b4a31b85290ad5190447892e6426ceeb397d
Signed-off-by: Anvesh Kumar <edc7e983fb0601fe4e68cbcf2252d0d5f713eb89@in.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation