No exception is used to communicate back, the exceptions are used to catch failures, and if we don't catch other possible exceptions leaving cleaning states, we may not clean up state properly. So instead of specific exceptions, we just catch any exception like is used earlier in the same method. Inspired by https://review.opendev.org/c/openstack/ironic/+/866856 and investigation through the code base as a result of inability to clean the node. Change-Id: I2a6bca3550819b98adbaffe315f77427b8a43d62
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