OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-0c2aa3-0): addr:86:d2:64:20:1c:bc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2e:f9:e2:5c:0e:41
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
