OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-965f74-0): addr:7e:5d:cf:b1:cc:f9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:12:96:cc:fa:94:80
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
