This commit fixes a bug in which a unidirectional pdump could attempt to
remove devices it didn't create.
Fixes: 35cb223ab7be ("app/pdump: fix vdev cleanup")
Cc: stable@dpdk.org
Signed-off-by: Gage Eads <gage.eads@intel.com>
Acked-by: Reshma Pattan <reshma.pattan@intel.com>