OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f18e61-0): addr:a6:28:af:fe:1b:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-6d5b17-0): addr:7a:46:24:5e:ce:ec
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-e1d14e-0): addr:32:f5:be:da:9d:30
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-e1cc33-0): addr:36:fc:b4:5c:2c:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-45aa31-0): addr:e6:39:e3:bf:ca:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:e2:c5:e8:15:0a:aa
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:4e:5a:fa:3e:77:b2
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
