OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-0f1f59-0): addr:32:83:ac:f5:54:ab
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6e:57:48:e9:7e:71
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
