OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-26151b-0): addr:4e:6d:97:72:d0:98
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:09:bc:1b:76:32
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
