OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-cafd13-0): addr:f6:c1:10:52:a2:d8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-78fa6b-0): addr:3a:a0:1b:34:b4:c6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-4fd585-0): addr:3a:5e:91:ee:f3:ae
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:da:88:8a:e6:10:b1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
