The original code replies on the private channel for primary and
secondary communication. Change to use the generic multi-process
channel.
Note with this change, dpdk-pdump will be not compatible with
old version DPDK applications.
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Acked-by: Reshma Pattan <reshma.pattan@intel.com>