OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-263c01-0): addr:22:73:e9:fe:e4:37
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:12:f2:16:ac:7a:ac
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
