OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b2f010-0): addr:c2:59:cc:63:99:fa
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2e:12:2b:4e:18:67
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
