OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-fdd6e2-0): addr:e6:72:29:c3:dc:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:aa:c1:56:50:98:16
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
