OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-2fe6c8-0): addr:62:fc:30:4e:7e:43
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-0425a7-0): addr:42:6a:0f:da:83:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:f4:dc:e4:75:73
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
