Usage: %1!s! state=]enabled|disabled maxdadattempts= maxvalidlifetime= maxpreferredlifetime= regeneratetime= maxrandomtime= ...

Usage: %1!s! [[state=]enabled|disabled] [[maxdadattempts=]]
             [[maxvalidlifetime=]]
             [[maxpreferredlifetime=]]
             [[regeneratetime=]]
             [[maxrandomtime=]]
             [[store=]active|persistent]

Parameters:

       Tag                    Value
       state                - Whether temporary addresses are enabled.
       maxdadattempts       - Duplicate address detection attempts.
                              The default value is 5.
       maxvalidlifetime     - Maximum lifetime over which an temporary
                              address is valid.  The default value is 7d
                              (seven days).
       maxpreferredlifetime - Maximum lifetime over which an temporary
                              is preferred.  The default value is 1d
                              (one day).
       regeneratetime       - Time prior to deprecating an temporary
                              address when a new address is generated.
                              The default value is 5s (five seconds).
       maxrandomtime        - Upper bound to use when computing a random
                              delay at startup time.  The default value is
                              10m (ten minutes).
       store                - One of the following values:
                              active: Change only lasts until next boot.
                              persistent: Change is persistent (default).

Remarks: Modifies parameters related to temporary address generation.
         If randomtime is specified, the maxrandomtime value is not
         used.  Time values can be expressed in days, hours, minutes,
         and seconds; e.g. 1d2h3m4s.