OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-94125d-0): addr:5a:71:dc:6f:c3:35
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1e:4d:48:1d:0b:6a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
