OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-39f558-0): addr:22:c3:68:e0:c7:7b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3e:66:ac:0e:29:46
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
