app/test: fix bond device name too long
app/test: fix bond device name too long

Bond device name was too long (grather than 32 signs) that
cause mempool allocation to fail.

Fixes: 92073ef961ee ("bond: unit tests")

Signed-off-by: Michal Jastrzebski <99bb29f284bc46c0a62a09be83edd00b1cccc1e5@intel.com>
Acked-by: Bernard Iremonger <233eeff376ad0c06f66f06c5522ea3c4feb30d3b@intel.com>
Tested-by: Huilong Xu <66b391ba07b4e1e575c4888dad46879fa332fb22@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk