OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3df832-0): addr:ea:e2:7d:15:3a:39
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:d2:1b:93:8a:c7:eb
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
