OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6b7ab1-0): addr:76:a6:77:61:cb:99
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-f6e841-0): addr:1e:6b:55:b2:67:74
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-8315df-0): addr:0e:7e:aa:ba:99:13
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2a:83:3b:80:a5:db
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
