[stack@bishop devstack-heat (toni)]$ ./devstack-overcloud-heat unstack master_04b17e4a062ab6e88988ec65ecbbf334f9f424ed
Output error: The specified reference "trunk_ports" (in unknown) is incorrect.
Deleting the stack master_04b17e4a062ab6e88988ec65ecbbf334f9f424ed[y/N]?y

Are you sure you want to delete this stack(s) [y/N]? Waiting for the hook
Continue with the unstacking