OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-fbcb26-0): addr:42:8b:bf:5c:cb:68
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5a:35:c4:98:ec:17
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
