OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-54c26e-0): addr:fe:39:7b:3c:fd:7f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8a:45:4e:41:97:2f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
