OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3d91cb-0): addr:4a:c9:cb:63:5b:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-bcc118-0): addr:e2:95:ed:31:2b:3d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-dd2d87-0): addr:96:07:89:79:6a:ae
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fa:2f:c3:70:c5:e9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
