OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-0765d7-0): addr:56:f1:2f:fe:d4:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b6:e4:b0:66:47:6d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
