OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e022ac-0): addr:c6:2e:68:23:3d:2e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:32:c1:f0:a5:bb:64
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
