The value of tmnxPtpPeerUnicastStatus indicates:
pending (1) - a request for unicast transmission has been sent to
the master, but no reply has been received.
granted (2) - the packet rate and duration has been accepted by
the master clock
denied (3) - the packet rate and/or duration has been denied by
the master clock
expired (4) - the unicast transmission duration has expired
without being renewed
canceled (5) - unicast transmission has been canceled by either
the local or remote clock