OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d8ff4a-0): addr:6a:a3:7a:79:c1:49
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-10e3bf-0): addr:3e:dc:8d:77:7a:1d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-6de892-0): addr:d2:fe:cd:79:d8:46
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:76:b2:c9:79:34:c3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
