Only DPDK primary processes can initiate device probe.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Ia9f966a65fc98ad92b48814dbd6f36f78905162f
Reviewed-on: https://review.gerrithub.io/362452
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>