OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-54258f-0): addr:f6:4b:b2:1d:90:93
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2a:87:7e:aa:e4:d6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
