OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ac5d1e-0): addr:a2:d3:65:41:4b:0b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-1b3765-0): addr:b2:b9:72:2f:90:77
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:9e:fd:ea:c2:11:75
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
