OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c74fc3-0): addr:f6:55:a5:85:59:8d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3a:87:80:da:4a:83
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
