The malloc and null bdevs generate a random UUID if it is not specified
in the construct RPC method; save the current UUID in save_config so we
can reproduce it in load_config.
Change-Id: Iabaa96fa3129189ae6acf3635345b98f71255fbd
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/405110
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>