OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-090491-0): addr:fa:80:a6:72:47:85
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-0d168c-0): addr:26:0a:fa:ae:f8:22
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:aa:5a:59:f2:cf:d3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
