Ethernet address of the datapath's local port (which is typically
randomly generated).
-.TP
-\fB--mgmt-id=\fImgmtid\fR
-Sets \fImgmtid\fR, which must consist of exactly 12 hexadecimal
-digits, as the switch's management ID.
-
-If this option is omitted, the management ID defaults to 0, signaling
-to the controller that management is supported but not configured.
-
.TP
\fB--fail=\fR[\fBopen\fR|\fBclosed\fR]
The controller is, ordinarily, responsible for setting up all flows on