OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-77397a-0): addr:7e:45:0d:e9:0d:50
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e2:20:81:6e:2c:f0
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
