Log Message:
spiped: update to 1.6.1.

spiped-1.6.1
* New option -u username:groupname (spiped): change the user and/or group
  ownership of the process.
* Use RDRAND as an additional source of entropy on CPUs which support it.
* Use SHANI instructions on CPUs which support them.
* Warn about failed connections and exit with non-zero status (spipe).
spiped-1.6.0
* The -n option (spiped) is no longer limited to a maximum limit of
  500 simultaneous connections.
* The -k option now accepts "-" as a synonym for standard input.
* New option -v (spipe/spiped): Print version number.
* Add workaround for docker signal-handling bug in spiped.
* Perform a graceful shutdown on SIGTERM.