The io device was previously not being unregistered, this looks
like the root cause to several recent CI failures in the bdev
JSON tests that use RPC to create/save/clear/load configs.
Change-Id: Ia77ed9fe230c79188d8d862e98b17581ae81b31f
Signed-off-by: paul luse <paul.e.luse@intel.com>
Reviewed-on: https://review.gerrithub.io/433194
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>