To improve network isolation it is desirable to perform
cleaning on a separate network. A new network, `cleaning_net`
was added. If cleaning_net_name is not overriden cleaning
will still be performed on the workload provisioning network
to maintain backwards compatability.
Story: 2002097
Task: 19775
Change-Id: I7dd246ca830820f9c2468b281f6ac8f0db2e9cbe
0511f67eb2