OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f38b9a-0): addr:86:05:5a:a7:13:78
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-9b12ad-0): addr:16:a8:f0:77:cd:34
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-cb4af1-0): addr:c2:62:ac:de:b8:7c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c6:0b:8f:e2:bc:ad
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
