OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6e54c1-0): addr:86:a0:42:77:8d:14
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:66:61:2b:68:e4:ef
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
