{
   pthread_mutex_destroy called on non-mutex object (helgrind)
   Helgrind:Misc
   obj:/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_helgrind-amd64-linux.so
   fun:_dl_fini
   fun:__run_exit_handlers
   fun:exit
   fun:(below main)
}
{
   pthread_mutex_destroy called on non-mutex object (helgrind)
   Helgrind:Misc
   obj:/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_helgrind-amd64-linux.so
   obj:/usr/lib/x86_64-linux-gnu/libp11-kit.so.0.3.0
   fun:_dl_fini
   fun:__run_exit_handlers
   fun:exit
   fun:(below main)
}
{
   The object is not a mutex (drd)
   drd:MutexErr
   fun:pthread_mutex_destroy
   obj:/usr/lib/x86_64-linux-gnu/libp11-kit.so.0.3.0
   fun:_dl_fini
   fun:__run_exit_handlers
   fun:exit
   fun:(below main)
}
{
   The object is not a mutex (drd)
   drd:MutexErr
   fun:pthread_mutex_destroy
   fun:_dl_fini
   fun:__run_exit_handlers
   fun:exit
   fun:(below main)
}
