OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9b3c7f-0): addr:7e:02:93:97:b1:ab
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6a:d8:3c:51:70:13
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
