OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6b99fc-0): addr:4a:b5:c6:90:be:79
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-28c918-0): addr:ca:f2:5e:e0:ab:54
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-c6331d-0): addr:fa:b0:a2:d3:a4:f6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c2:70:8c:7f:08:49
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
