OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e98c50-0): addr:16:4b:aa:f5:51:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:22:03:b0:81:c8:7a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
