OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1218ff-0): addr:b6:91:43:85:ef:0b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-ac0d1e-0): addr:7a:15:3f:bb:d3:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-53e209-0): addr:0a:27:a7:45:cb:82
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b2:7e:df:94:95:05
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
