OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-45d4c7-0): addr:0e:6b:33:ca:24:8c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-cb98fb-0): addr:da:a7:c4:06:27:36
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-c8abfd-0): addr:f2:b6:f9:68:e0:c5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ba:a4:fc:58:0c:b3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
