This is xnu-8019. See this file in:
!2	Darwin Kernel Version 16.0.0: Tue Jun 21 17:36:08 PDT 2016; vishal:xnu-3748-3-g824487b-dirty/BUILD/obj/DEVELOPMENT_X86_64	pconfig=boot vti=5 rootless=0 debug=0x14e kdp_match_name=en0 -v debugshell=2 slide=0 keepsyms=1 kernPOST=0x1@@xnupost_test_configconfigtest_numretvalexpected_retval	begin_time	end_timetest_name @
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