Bug 368922

<<<test_start>>>
tag=sethostname01_valgrind_memory_leak_check stime=1473974797
cmdline=" valgrind -q --leak-check=full --trace-children=yes sethostname01"
contacts=""
analysis=exit
<<<test_output>>>
--26133-- WARNING: unhandled arm64-linux syscall: 161
--26133-- You may be able to write your own handler.
--26133-- Read the file README_MISSING_SYSCALL_OR_IOCTL.
--26133-- Nevertheless we consider this a bug.  Please report
--26133-- it at http://valgrind.org/support/bug_reports.html.
--26133-- WARNING: unhandled arm64-linux syscall: 161
--26133-- You may be able to write your own handler.
--26133-- Read the file README_MISSING_SYSCALL_OR_IOCTL.
--26133-- Nevertheless we consider this a bug.  Please report
--26133-- it at http://valgrind.org/support/bug_reports.html.
sethostname01    1  TFAIL  :  sethostname01.c:105: sethostname() failed , errno=38 : Function not implemented
sethostname01    0  TWARN  :  sethostname01.c:152: sethostname() failed while restoring hostname to "pinkiepie.local": Function not implemented
<<<execution_status>>>
initiation_status="ok"
duration=0 termination_type=exited termination_id=5 corefile=no
cutime=45 cstime=1
<<<test_end>>>


Reproducible: Always