OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1c611a-0): addr:e2:88:25:0e:fc:38
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5a:71:1e:e6:40:8d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
