This gives a chance to quickly see why qemu might have failed, i.e.,
why the .pid file has not been found.
Change-Id: Ia1a5ae417164c865eede07cdb6dd4df1edc0b0b9
Signed-off-by: Michal Berger <michalx.berger@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2005
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>