The manpage says that exiting 77 is the same as exiting 0, then skipping all other hooks, but the behaviour heretofor was to exit 0, skip all, and behave as if all hooks exited 0 (cherry picked from commit 44230fa2b050d63fce49b4bfbbb93c42940754cc) (cherry picked from commit 954f6ae49a6dc8a7994ff7ca3c86551a8748c2d1) (cherry picked from commit 68ccbef7f0c6b6a81e5d8ad21f1ab9618e3000c5)
System and Service Manager
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